2097160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 5266800

約数和(自身を除く): 3169640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 109, 130, 148, 185, 218, 260, 296, 370, 436, 481, 520, 545, 740, 872, 962, 1090, 1417, 1480, 1924, 2180, 2405, 2834, 3848, 4033, 4360, 4810, 5668, 7085, 8066, 9620, 11336, 14170, 16132, 19240, 20165, 28340, 32264, 40330, 52429, 56680, 80660, 104858, 161320, 209716, 262145, 419432, 524290, 1048580, 2097160]

約数ペア:

[(1, 2097160), (2, 1048580), (4, 524290), (5, 419432), (8, 262145), (10, 209716), (13, 161320), (20, 104858), (26, 80660), (37, 56680), (40, 52429), (52, 40330), (65, 32264), (74, 28340), (104, 20165), (109, 19240), (130, 16132), (148, 14170), (185, 11336), (218, 9620), (260, 8066), (296, 7085), (370, 5668), (436, 4810), (481, 4360), (520, 4033), (545, 3848), (740, 2834), (872, 2405), (962, 2180), (1090, 1924), (1417, 1480)]