12959440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 34404048

約数和(自身を除く): 21444608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 733, 884, 1040, 1105, 1360, 1466, 1768, 2210, 2932, 3536, 3665, 4420, 5864, 7330, 8840, 9529, 11728, 12461, 14660, 17680, 19058, 24922, 29320, 38116, 47645, 49844, 58640, 62305, 76232, 95290, 99688, 124610, 152464, 161993, 190580, 199376, 249220, 323986, 381160, 498440, 647972, 762320, 809965, 996880, 1295944, 1619930, 2591888, 3239860, 6479720, 12959440]

約数ペア:

[(1, 12959440), (2, 6479720), (4, 3239860), (5, 2591888), (8, 1619930), (10, 1295944), (13, 996880), (16, 809965), (17, 762320), (20, 647972), (26, 498440), (34, 381160), (40, 323986), (52, 249220), (65, 199376), (68, 190580), (80, 161993), (85, 152464), (104, 124610), (130, 99688), (136, 95290), (170, 76232), (208, 62305), (221, 58640), (260, 49844), (272, 47645), (340, 38116), (442, 29320), (520, 24922), (680, 19058), (733, 17680), (884, 14660), (1040, 12461), (1105, 11728), (1360, 9529), (1466, 8840), (1768, 7330), (2210, 5864), (2932, 4420), (3536, 3665)]