16390660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 40822488

約数和(自身を除く): 24431828

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 521, 572, 605, 715, 1042, 1210, 1430, 1573, 2084, 2420, 2605, 2860, 3146, 5210, 5731, 6292, 6773, 7865, 10420, 11462, 13546, 15730, 22924, 27092, 28655, 31460, 33865, 57310, 63041, 67730, 74503, 114620, 126082, 135460, 149006, 252164, 298012, 315205, 372515, 630410, 745030, 819533, 1260820, 1490060, 1639066, 3278132, 4097665, 8195330, 16390660]

約数ペア:

[(1, 16390660), (2, 8195330), (4, 4097665), (5, 3278132), (10, 1639066), (11, 1490060), (13, 1260820), (20, 819533), (22, 745030), (26, 630410), (44, 372515), (52, 315205), (55, 298012), (65, 252164), (110, 149006), (121, 135460), (130, 126082), (143, 114620), (220, 74503), (242, 67730), (260, 63041), (286, 57310), (484, 33865), (521, 31460), (572, 28655), (605, 27092), (715, 22924), (1042, 15730), (1210, 13546), (1430, 11462), (1573, 10420), (2084, 7865), (2420, 6773), (2605, 6292), (2860, 5731), (3146, 5210)]