55123640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 152409600

約数和(自身を除く): 97285960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 88, 92, 104, 110, 115, 130, 143, 184, 220, 230, 253, 260, 286, 299, 419, 440, 460, 506, 520, 572, 598, 715, 838, 920, 1012, 1144, 1196, 1265, 1430, 1495, 1676, 2024, 2095, 2392, 2530, 2860, 2990, 3289, 3352, 4190, 4609, 5060, 5447, 5720, 5980, 6578, 8380, 9218, 9637, 10120, 10894, 11960, 13156, 16445, 16760, 18436, 19274, 21788, 23045, 26312, 27235, 32890, 36872, 38548, 43576, 46090, 48185, 54470, 59917, 65780, 77096, 92180, 96370, 106007, 108940, 119834, 125281, 131560, 184360, 192740, 212014, 217880, 239668, 250562, 299585, 385480, 424028, 479336, 501124, 530035, 599170, 626405, 848056, 1002248, 1060070, 1198340, 1252810, 1378091, 2120140, 2396680, 2505620, 2756182, 4240280, 5011240, 5512364, 6890455, 11024728, 13780910, 27561820, 55123640]

約数ペア:

[(1, 55123640), (2, 27561820), (4, 13780910), (5, 11024728), (8, 6890455), (10, 5512364), (11, 5011240), (13, 4240280), (20, 2756182), (22, 2505620), (23, 2396680), (26, 2120140), (40, 1378091), (44, 1252810), (46, 1198340), (52, 1060070), (55, 1002248), (65, 848056), (88, 626405), (92, 599170), (104, 530035), (110, 501124), (115, 479336), (130, 424028), (143, 385480), (184, 299585), (220, 250562), (230, 239668), (253, 217880), (260, 212014), (286, 192740), (299, 184360), (419, 131560), (440, 125281), (460, 119834), (506, 108940), (520, 106007), (572, 96370), (598, 92180), (715, 77096), (838, 65780), (920, 59917), (1012, 54470), (1144, 48185), (1196, 46090), (1265, 43576), (1430, 38548), (1495, 36872), (1676, 32890), (2024, 27235), (2095, 26312), (2392, 23045), (2530, 21788), (2860, 19274), (2990, 18436), (3289, 16760), (3352, 16445), (4190, 13156), (4609, 11960), (5060, 10894), (5447, 10120), (5720, 9637), (5980, 9218), (6578, 8380)]