27958720

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2189

約数の個数: 56

約数和(自身を含む): 68232528

約数和(自身を除く): 40273808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2131, 2624, 3280, 4262, 6560, 8524, 10655, 13120, 17048, 21310, 34096, 42620, 68192, 85240, 87371, 136384, 170480, 174742, 340960, 349484, 436855, 681920, 698968, 873710, 1397936, 1747420, 2795872, 3494840, 5591744, 6989680, 13979360, 27958720]

約数ペア:

[(1, 27958720), (2, 13979360), (4, 6989680), (5, 5591744), (8, 3494840), (10, 2795872), (16, 1747420), (20, 1397936), (32, 873710), (40, 698968), (41, 681920), (64, 436855), (80, 349484), (82, 340960), (160, 174742), (164, 170480), (205, 136384), (320, 87371), (328, 85240), (410, 68192), (656, 42620), (820, 34096), (1312, 21310), (1640, 17048), (2131, 13120), (2624, 10655), (3280, 8524), (4262, 6560)]