28305752240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{172849}}^1$

素因数の和:172974

約数の個数: 80

約数和(自身を含む): 69444216000

約数和(自身を除く): 41138463760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 712, 890, 920, 1424, 1780, 1840, 2047, 3560, 4094, 7120, 8188, 10235, 16376, 20470, 32752, 40940, 81880, 163760, 172849, 345698, 691396, 864245, 1382792, 1728490, 2765584, 3456980, 3975527, 6913960, 7951054, 13827920, 15383561, 15902108, 19877635, 30767122, 31804216, 39755270, 61534244, 63608432, 76917805, 79510540, 123068488, 153835610, 159021080, 246136976, 307671220, 318042160, 353821903, 615342440, 707643806, 1230684880, 1415287612, 1769109515, 2830575224, 3538219030, 5661150448, 7076438060, 14152876120, 28305752240]

約数ペア:

[(1, 28305752240), (2, 14152876120), (4, 7076438060), (5, 5661150448), (8, 3538219030), (10, 2830575224), (16, 1769109515), (20, 1415287612), (23, 1230684880), (40, 707643806), (46, 615342440), (80, 353821903), (89, 318042160), (92, 307671220), (115, 246136976), (178, 159021080), (184, 153835610), (230, 123068488), (356, 79510540), (368, 76917805), (445, 63608432), (460, 61534244), (712, 39755270), (890, 31804216), (920, 30767122), (1424, 19877635), (1780, 15902108), (1840, 15383561), (2047, 13827920), (3560, 7951054), (4094, 6913960), (7120, 3975527), (8188, 3456980), (10235, 2765584), (16376, 1728490), (20470, 1382792), (32752, 864245), (40940, 691396), (81880, 345698), (163760, 172849)]