25768160

素因数分解:

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

素因数の和:70

約数の個数: 72

約数和(自身を含む): 66964968

約数和(自身を除く): 41196808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1331, 1760, 1936, 2420, 2662, 3872, 4840, 5324, 6655, 9680, 10648, 13310, 14641, 19360, 21296, 26620, 29282, 42592, 53240, 58564, 73205, 106480, 117128, 146410, 161051, 212960, 234256, 292820, 322102, 468512, 585640, 644204, 805255, 1171280, 1288408, 1610510, 2342560, 2576816, 3221020, 5153632, 6442040, 12884080, 25768160]

約数ペア:

[(1, 25768160), (2, 12884080), (4, 6442040), (5, 5153632), (8, 3221020), (10, 2576816), (11, 2342560), (16, 1610510), (20, 1288408), (22, 1171280), (32, 805255), (40, 644204), (44, 585640), (55, 468512), (80, 322102), (88, 292820), (110, 234256), (121, 212960), (160, 161051), (176, 146410), (220, 117128), (242, 106480), (352, 73205), (440, 58564), (484, 53240), (605, 42592), (880, 29282), (968, 26620), (1210, 21296), (1331, 19360), (1760, 14641), (1936, 13310), (2420, 10648), (2662, 9680), (3872, 6655), (4840, 5324)]