81595750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 164571264

約数和(自身を除く): 82975514

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 73, 85, 125, 146, 170, 250, 263, 365, 425, 526, 730, 850, 1241, 1315, 1825, 2125, 2482, 2630, 3650, 4250, 4471, 6205, 6575, 8942, 9125, 12410, 13150, 18250, 19199, 22355, 31025, 32875, 38398, 44710, 62050, 65750, 95995, 111775, 155125, 191990, 223550, 310250, 326383, 479975, 558875, 652766, 959950, 1117750, 1631915, 2399875, 3263830, 4799750, 8159575, 16319150, 40797875, 81595750]

約数ペア:

[(1, 81595750), (2, 40797875), (5, 16319150), (10, 8159575), (17, 4799750), (25, 3263830), (34, 2399875), (50, 1631915), (73, 1117750), (85, 959950), (125, 652766), (146, 558875), (170, 479975), (250, 326383), (263, 310250), (365, 223550), (425, 191990), (526, 155125), (730, 111775), (850, 95995), (1241, 65750), (1315, 62050), (1825, 44710), (2125, 38398), (2482, 32875), (2630, 31025), (3650, 22355), (4250, 19199), (4471, 18250), (6205, 13150), (6575, 12410), (8942, 9125)]