16380520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 42550200

約数和(自身を除く): 26169680

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 109, 130, 136, 170, 218, 221, 260, 289, 340, 436, 442, 520, 545, 578, 680, 872, 884, 1090, 1105, 1156, 1417, 1445, 1768, 1853, 2180, 2210, 2312, 2834, 2890, 3706, 3757, 4360, 4420, 5668, 5780, 7085, 7412, 7514, 8840, 9265, 11336, 11560, 14170, 14824, 15028, 18530, 18785, 24089, 28340, 30056, 31501, 37060, 37570, 48178, 56680, 63002, 74120, 75140, 96356, 120445, 126004, 150280, 157505, 192712, 240890, 252008, 315010, 409513, 481780, 630020, 819026, 963560, 1260040, 1638052, 2047565, 3276104, 4095130, 8190260, 16380520]

約数ペア:

[(1, 16380520), (2, 8190260), (4, 4095130), (5, 3276104), (8, 2047565), (10, 1638052), (13, 1260040), (17, 963560), (20, 819026), (26, 630020), (34, 481780), (40, 409513), (52, 315010), (65, 252008), (68, 240890), (85, 192712), (104, 157505), (109, 150280), (130, 126004), (136, 120445), (170, 96356), (218, 75140), (221, 74120), (260, 63002), (289, 56680), (340, 48178), (436, 37570), (442, 37060), (520, 31501), (545, 30056), (578, 28340), (680, 24089), (872, 18785), (884, 18530), (1090, 15028), (1105, 14824), (1156, 14170), (1417, 11560), (1445, 11336), (1768, 9265), (1853, 8840), (2180, 7514), (2210, 7412), (2312, 7085), (2834, 5780), (2890, 5668), (3706, 4420), (3757, 4360)]