78513760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37747}}^1$

素因数の和:37775

約数の個数: 48

約数和(自身を含む): 199762416

約数和(自身を除く): 121248656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 37747, 75494, 150988, 188735, 301976, 377470, 490711, 603952, 754940, 981422, 1207904, 1509880, 1962844, 2453555, 3019760, 3925688, 4907110, 6039520, 7851376, 9814220, 15702752, 19628440, 39256880, 78513760]

約数ペア:

[(1, 78513760), (2, 39256880), (4, 19628440), (5, 15702752), (8, 9814220), (10, 7851376), (13, 6039520), (16, 4907110), (20, 3925688), (26, 3019760), (32, 2453555), (40, 1962844), (52, 1509880), (65, 1207904), (80, 981422), (104, 754940), (130, 603952), (160, 490711), (208, 377470), (260, 301976), (416, 188735), (520, 150988), (1040, 75494), (2080, 37747)]