8190260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 19856760

約数和(自身を除く): 11666500

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 109, 130, 170, 218, 221, 260, 289, 340, 436, 442, 545, 578, 884, 1090, 1105, 1156, 1417, 1445, 1853, 2180, 2210, 2834, 2890, 3706, 3757, 4420, 5668, 5780, 7085, 7412, 7514, 9265, 14170, 15028, 18530, 18785, 24089, 28340, 31501, 37060, 37570, 48178, 63002, 75140, 96356, 120445, 126004, 157505, 240890, 315010, 409513, 481780, 630020, 819026, 1638052, 2047565, 4095130, 8190260]

約数ペア:

[(1, 8190260), (2, 4095130), (4, 2047565), (5, 1638052), (10, 819026), (13, 630020), (17, 481780), (20, 409513), (26, 315010), (34, 240890), (52, 157505), (65, 126004), (68, 120445), (85, 96356), (109, 75140), (130, 63002), (170, 48178), (218, 37570), (221, 37060), (260, 31501), (289, 28340), (340, 24089), (436, 18785), (442, 18530), (545, 15028), (578, 14170), (884, 9265), (1090, 7514), (1105, 7412), (1156, 7085), (1417, 5780), (1445, 5668), (1853, 4420), (2180, 3757), (2210, 3706), (2834, 2890)]