25018240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 67173120

約数和(自身を除く): 42154880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 97, 104, 124, 128, 130, 155, 160, 194, 208, 248, 260, 310, 320, 388, 403, 416, 485, 496, 520, 620, 640, 776, 806, 832, 970, 992, 1040, 1240, 1261, 1552, 1612, 1664, 1940, 1984, 2015, 2080, 2480, 2522, 3007, 3104, 3224, 3880, 3968, 4030, 4160, 4960, 5044, 6014, 6208, 6305, 6448, 7760, 8060, 8320, 9920, 10088, 12028, 12416, 12610, 12896, 15035, 15520, 16120, 19840, 20176, 24056, 25220, 25792, 30070, 31040, 32240, 39091, 40352, 48112, 50440, 51584, 60140, 62080, 64480, 78182, 80704, 96224, 100880, 120280, 128960, 156364, 161408, 192448, 195455, 201760, 240560, 257920, 312728, 384896, 390910, 403520, 481120, 625456, 781820, 807040, 962240, 1250912, 1563640, 1924480, 2501824, 3127280, 5003648, 6254560, 12509120, 25018240]

約数ペア:

[(1, 25018240), (2, 12509120), (4, 6254560), (5, 5003648), (8, 3127280), (10, 2501824), (13, 1924480), (16, 1563640), (20, 1250912), (26, 962240), (31, 807040), (32, 781820), (40, 625456), (52, 481120), (62, 403520), (64, 390910), (65, 384896), (80, 312728), (97, 257920), (104, 240560), (124, 201760), (128, 195455), (130, 192448), (155, 161408), (160, 156364), (194, 128960), (208, 120280), (248, 100880), (260, 96224), (310, 80704), (320, 78182), (388, 64480), (403, 62080), (416, 60140), (485, 51584), (496, 50440), (520, 48112), (620, 40352), (640, 39091), (776, 32240), (806, 31040), (832, 30070), (970, 25792), (992, 25220), (1040, 24056), (1240, 20176), (1261, 19840), (1552, 16120), (1612, 15520), (1664, 15035), (1940, 12896), (1984, 12610), (2015, 12416), (2080, 12028), (2480, 10088), (2522, 9920), (3007, 8320), (3104, 8060), (3224, 7760), (3880, 6448), (3968, 6305), (4030, 6208), (4160, 6014), (4960, 5044)]