55917440

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2191

約数の個数: 64

約数和(自身を含む): 137002320

約数和(自身を除く): 81084880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2131, 2624, 3280, 4262, 5248, 6560, 8524, 10655, 13120, 17048, 21310, 26240, 34096, 42620, 68192, 85240, 87371, 136384, 170480, 174742, 272768, 340960, 349484, 436855, 681920, 698968, 873710, 1363840, 1397936, 1747420, 2795872, 3494840, 5591744, 6989680, 11183488, 13979360, 27958720, 55917440]

約数ペア:

[(1, 55917440), (2, 27958720), (4, 13979360), (5, 11183488), (8, 6989680), (10, 5591744), (16, 3494840), (20, 2795872), (32, 1747420), (40, 1397936), (41, 1363840), (64, 873710), (80, 698968), (82, 681920), (128, 436855), (160, 349484), (164, 340960), (205, 272768), (320, 174742), (328, 170480), (410, 136384), (640, 87371), (656, 85240), (820, 68192), (1312, 42620), (1640, 34096), (2131, 26240), (2624, 21310), (3280, 17048), (4262, 13120), (5248, 10655), (6560, 8524)]