425920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^3$

素因数の和:50

約数の個数: 56

約数和(自身を含む): 1115568

約数和(自身を除く): 689648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1331, 1760, 1936, 2420, 2662, 3520, 3872, 4840, 5324, 6655, 7744, 9680, 10648, 13310, 19360, 21296, 26620, 38720, 42592, 53240, 85184, 106480, 212960, 425920]

約数ペア:

[(1, 425920), (2, 212960), (4, 106480), (5, 85184), (8, 53240), (10, 42592), (11, 38720), (16, 26620), (20, 21296), (22, 19360), (32, 13310), (40, 10648), (44, 9680), (55, 7744), (64, 6655), (80, 5324), (88, 4840), (110, 3872), (121, 3520), (160, 2662), (176, 2420), (220, 1936), (242, 1760), (320, 1331), (352, 1210), (440, 968), (484, 880), (605, 704)]