8453380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 20014344

約数和(自身を除く): 11560964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 61, 65, 82, 122, 130, 164, 169, 205, 244, 260, 305, 338, 410, 533, 610, 676, 793, 820, 845, 1066, 1220, 1586, 1690, 2132, 2501, 2665, 3172, 3380, 3965, 5002, 5330, 6929, 7930, 10004, 10309, 10660, 12505, 13858, 15860, 20618, 25010, 27716, 32513, 34645, 41236, 50020, 51545, 65026, 69290, 103090, 130052, 138580, 162565, 206180, 325130, 422669, 650260, 845338, 1690676, 2113345, 4226690, 8453380]

約数ペア:

[(1, 8453380), (2, 4226690), (4, 2113345), (5, 1690676), (10, 845338), (13, 650260), (20, 422669), (26, 325130), (41, 206180), (52, 162565), (61, 138580), (65, 130052), (82, 103090), (122, 69290), (130, 65026), (164, 51545), (169, 50020), (205, 41236), (244, 34645), (260, 32513), (305, 27716), (338, 25010), (410, 20618), (533, 15860), (610, 13858), (676, 12505), (793, 10660), (820, 10309), (845, 10004), (1066, 7930), (1220, 6929), (1586, 5330), (1690, 5002), (2132, 3965), (2501, 3380), (2665, 3172)]