9805640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 24116400

約数和(自身を除く): 14310760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 173, 218, 260, 346, 436, 520, 545, 692, 865, 872, 1090, 1384, 1417, 1730, 2180, 2249, 2834, 3460, 4360, 4498, 5668, 6920, 7085, 8996, 11245, 11336, 14170, 17992, 18857, 22490, 28340, 37714, 44980, 56680, 75428, 89960, 94285, 150856, 188570, 245141, 377140, 490282, 754280, 980564, 1225705, 1961128, 2451410, 4902820, 9805640]

約数ペア:

[(1, 9805640), (2, 4902820), (4, 2451410), (5, 1961128), (8, 1225705), (10, 980564), (13, 754280), (20, 490282), (26, 377140), (40, 245141), (52, 188570), (65, 150856), (104, 94285), (109, 89960), (130, 75428), (173, 56680), (218, 44980), (260, 37714), (346, 28340), (436, 22490), (520, 18857), (545, 17992), (692, 14170), (865, 11336), (872, 11245), (1090, 8996), (1384, 7085), (1417, 6920), (1730, 5668), (2180, 4498), (2249, 4360), (2834, 3460)]