8388640

素因数分解:

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

素因数の和:174

約数の個数: 96

約数和(自身を含む): 22120560

約数和(自身を除く): 13731920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 65, 74, 80, 104, 109, 130, 148, 160, 185, 208, 218, 260, 296, 370, 416, 436, 481, 520, 545, 592, 740, 872, 962, 1040, 1090, 1184, 1417, 1480, 1744, 1924, 2080, 2180, 2405, 2834, 2960, 3488, 3848, 4033, 4360, 4810, 5668, 5920, 7085, 7696, 8066, 8720, 9620, 11336, 14170, 15392, 16132, 17440, 19240, 20165, 22672, 28340, 32264, 38480, 40330, 45344, 52429, 56680, 64528, 76960, 80660, 104858, 113360, 129056, 161320, 209716, 226720, 262145, 322640, 419432, 524290, 645280, 838864, 1048580, 1677728, 2097160, 4194320, 8388640]

約数ペア:

[(1, 8388640), (2, 4194320), (4, 2097160), (5, 1677728), (8, 1048580), (10, 838864), (13, 645280), (16, 524290), (20, 419432), (26, 322640), (32, 262145), (37, 226720), (40, 209716), (52, 161320), (65, 129056), (74, 113360), (80, 104858), (104, 80660), (109, 76960), (130, 64528), (148, 56680), (160, 52429), (185, 45344), (208, 40330), (218, 38480), (260, 32264), (296, 28340), (370, 22672), (416, 20165), (436, 19240), (481, 17440), (520, 16132), (545, 15392), (592, 14170), (740, 11336), (872, 9620), (962, 8720), (1040, 8066), (1090, 7696), (1184, 7085), (1417, 5920), (1480, 5668), (1744, 4810), (1924, 4360), (2080, 4033), (2180, 3848), (2405, 3488), (2834, 2960)]