2820516400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17497}}^1$

素因数の和:17559

約数の個数: 120

約数和(自身を含む): 7533378944

約数和(自身を除く): 4712862544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 1040, 1240, 1300, 1550, 1612, 2015, 2480, 2600, 3100, 3224, 4030, 5200, 6200, 6448, 8060, 10075, 12400, 16120, 17497, 20150, 32240, 34994, 40300, 69988, 80600, 87485, 139976, 161200, 174970, 227461, 279952, 349940, 437425, 454922, 542407, 699880, 874850, 909844, 1084814, 1137305, 1399760, 1749700, 1819688, 2169628, 2274610, 2712035, 3499400, 3639376, 4339256, 4549220, 5424070, 5686525, 6998800, 7051291, 8678512, 9098440, 10848140, 11373050, 13560175, 14102582, 18196880, 21696280, 22746100, 27120350, 28205164, 35256455, 43392560, 45492200, 54240700, 56410328, 70512910, 90984400, 108481400, 112820656, 141025820, 176282275, 216962800, 282051640, 352564550, 564103280, 705129100, 1410258200, 2820516400]

約数ペア:

[(1, 2820516400), (2, 1410258200), (4, 705129100), (5, 564103280), (8, 352564550), (10, 282051640), (13, 216962800), (16, 176282275), (20, 141025820), (25, 112820656), (26, 108481400), (31, 90984400), (40, 70512910), (50, 56410328), (52, 54240700), (62, 45492200), (65, 43392560), (80, 35256455), (100, 28205164), (104, 27120350), (124, 22746100), (130, 21696280), (155, 18196880), (200, 14102582), (208, 13560175), (248, 11373050), (260, 10848140), (310, 9098440), (325, 8678512), (400, 7051291), (403, 6998800), (496, 5686525), (520, 5424070), (620, 4549220), (650, 4339256), (775, 3639376), (806, 3499400), (1040, 2712035), (1240, 2274610), (1300, 2169628), (1550, 1819688), (1612, 1749700), (2015, 1399760), (2480, 1137305), (2600, 1084814), (3100, 909844), (3224, 874850), (4030, 699880), (5200, 542407), (6200, 454922), (6448, 437425), (8060, 349940), (10075, 279952), (12400, 227461), (16120, 174970), (17497, 161200), (20150, 139976), (32240, 87485), (34994, 80600), (40300, 69988)]