16992040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{797}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 42230160

約数和(自身を除く): 25238120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 797, 820, 1066, 1594, 1640, 2132, 2665, 3188, 3985, 4264, 5330, 6376, 7970, 10361, 10660, 15940, 20722, 21320, 31880, 32677, 41444, 51805, 65354, 82888, 103610, 130708, 163385, 207220, 261416, 326770, 414440, 424801, 653540, 849602, 1307080, 1699204, 2124005, 3398408, 4248010, 8496020, 16992040]

約数ペア:

[(1, 16992040), (2, 8496020), (4, 4248010), (5, 3398408), (8, 2124005), (10, 1699204), (13, 1307080), (20, 849602), (26, 653540), (40, 424801), (41, 414440), (52, 326770), (65, 261416), (82, 207220), (104, 163385), (130, 130708), (164, 103610), (205, 82888), (260, 65354), (328, 51805), (410, 41444), (520, 32677), (533, 31880), (797, 21320), (820, 20722), (1066, 15940), (1594, 10660), (1640, 10361), (2132, 7970), (2665, 6376), (3188, 5330), (3985, 4264)]