98131280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 247682064

約数和(自身を除く): 149550784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 157, 208, 260, 314, 520, 601, 628, 785, 1040, 1202, 1256, 1570, 2041, 2404, 2512, 3005, 3140, 4082, 4808, 6010, 6280, 7813, 8164, 9616, 10205, 12020, 12560, 15626, 16328, 20410, 24040, 31252, 32656, 39065, 40820, 48080, 62504, 78130, 81640, 94357, 125008, 156260, 163280, 188714, 312520, 377428, 471785, 625040, 754856, 943570, 1226641, 1509712, 1887140, 2453282, 3774280, 4906564, 6133205, 7548560, 9813128, 12266410, 19626256, 24532820, 49065640, 98131280]

約数ペア:

[(1, 98131280), (2, 49065640), (4, 24532820), (5, 19626256), (8, 12266410), (10, 9813128), (13, 7548560), (16, 6133205), (20, 4906564), (26, 3774280), (40, 2453282), (52, 1887140), (65, 1509712), (80, 1226641), (104, 943570), (130, 754856), (157, 625040), (208, 471785), (260, 377428), (314, 312520), (520, 188714), (601, 163280), (628, 156260), (785, 125008), (1040, 94357), (1202, 81640), (1256, 78130), (1570, 62504), (2041, 48080), (2404, 40820), (2512, 39065), (3005, 32656), (3140, 31252), (4082, 24040), (4808, 20410), (6010, 16328), (6280, 15626), (7813, 12560), (8164, 12020), (9616, 10205)]