2051216680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{14639}}^1$

素因数の和:14794

約数の個数: 64

約数和(自身を含む): 4806604800

約数和(自身を除く): 2755388120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 226, 248, 310, 452, 565, 620, 904, 1130, 1240, 2260, 3503, 4520, 7006, 14012, 14639, 17515, 28024, 29278, 35030, 58556, 70060, 73195, 117112, 140120, 146390, 292780, 453809, 585560, 907618, 1654207, 1815236, 2269045, 3308414, 3630472, 4538090, 6616828, 8271035, 9076180, 13233656, 16542070, 18152360, 33084140, 51280417, 66168280, 102560834, 205121668, 256402085, 410243336, 512804170, 1025608340, 2051216680]

約数ペア:

[(1, 2051216680), (2, 1025608340), (4, 512804170), (5, 410243336), (8, 256402085), (10, 205121668), (20, 102560834), (31, 66168280), (40, 51280417), (62, 33084140), (113, 18152360), (124, 16542070), (155, 13233656), (226, 9076180), (248, 8271035), (310, 6616828), (452, 4538090), (565, 3630472), (620, 3308414), (904, 2269045), (1130, 1815236), (1240, 1654207), (2260, 907618), (3503, 585560), (4520, 453809), (7006, 292780), (14012, 146390), (14639, 140120), (17515, 117112), (28024, 73195), (29278, 70060), (35030, 58556)]