20147560480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{15377}}^1$

素因数の和:15842

約数の個数: 96

約数和(自身を含む): 50223317760

約数和(自身を除く): 30075757280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 431, 608, 760, 862, 1520, 1724, 2155, 3040, 3448, 4310, 6896, 8189, 8620, 13792, 15377, 16378, 17240, 30754, 32756, 34480, 40945, 61508, 65512, 68960, 76885, 81890, 123016, 131024, 153770, 163780, 246032, 262048, 292163, 307540, 327560, 492064, 584326, 615080, 655120, 1168652, 1230160, 1310240, 1460815, 2337304, 2460320, 2921630, 4674608, 5843260, 6627487, 9349216, 11686520, 13254974, 23373040, 26509948, 33137435, 46746080, 53019896, 66274870, 106039792, 125922253, 132549740, 212079584, 251844506, 265099480, 503689012, 530198960, 629611265, 1007378024, 1060397920, 1259222530, 2014756048, 2518445060, 4029512096, 5036890120, 10073780240, 20147560480]

約数ペア:

[(1, 20147560480), (2, 10073780240), (4, 5036890120), (5, 4029512096), (8, 2518445060), (10, 2014756048), (16, 1259222530), (19, 1060397920), (20, 1007378024), (32, 629611265), (38, 530198960), (40, 503689012), (76, 265099480), (80, 251844506), (95, 212079584), (152, 132549740), (160, 125922253), (190, 106039792), (304, 66274870), (380, 53019896), (431, 46746080), (608, 33137435), (760, 26509948), (862, 23373040), (1520, 13254974), (1724, 11686520), (2155, 9349216), (3040, 6627487), (3448, 5843260), (4310, 4674608), (6896, 2921630), (8189, 2460320), (8620, 2337304), (13792, 1460815), (15377, 1310240), (16378, 1230160), (17240, 1168652), (30754, 655120), (32756, 615080), (34480, 584326), (40945, 492064), (61508, 327560), (65512, 307540), (68960, 292163), (76885, 262048), (81890, 246032), (123016, 163780), (131024, 153770)]