20145707800

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{12211}}^1$

素因数の和:12413

約数の個数: 96

約数和(自身を含む): 47904500880

約数和(自身を除く): 27758793080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 113, 146, 200, 226, 292, 365, 452, 565, 584, 730, 904, 1130, 1460, 1825, 2260, 2825, 2920, 3650, 4520, 5650, 7300, 8249, 11300, 12211, 14600, 16498, 22600, 24422, 32996, 41245, 48844, 61055, 65992, 82490, 97688, 122110, 164980, 206225, 244220, 305275, 329960, 412450, 488440, 610550, 824900, 891403, 1221100, 1379843, 1649800, 1782806, 2442200, 2759686, 3565612, 4457015, 5519372, 6899215, 7131224, 8914030, 11038744, 13798430, 17828060, 22285075, 27596860, 34496075, 35656120, 44570150, 55193720, 68992150, 89140300, 100728539, 137984300, 178280600, 201457078, 275968600, 402914156, 503642695, 805828312, 1007285390, 2014570780, 2518213475, 4029141560, 5036426950, 10072853900, 20145707800]

約数ペア:

[(1, 20145707800), (2, 10072853900), (4, 5036426950), (5, 4029141560), (8, 2518213475), (10, 2014570780), (20, 1007285390), (25, 805828312), (40, 503642695), (50, 402914156), (73, 275968600), (100, 201457078), (113, 178280600), (146, 137984300), (200, 100728539), (226, 89140300), (292, 68992150), (365, 55193720), (452, 44570150), (565, 35656120), (584, 34496075), (730, 27596860), (904, 22285075), (1130, 17828060), (1460, 13798430), (1825, 11038744), (2260, 8914030), (2825, 7131224), (2920, 6899215), (3650, 5519372), (4520, 4457015), (5650, 3565612), (7300, 2759686), (8249, 2442200), (11300, 1782806), (12211, 1649800), (14600, 1379843), (16498, 1221100), (22600, 891403), (24422, 824900), (32996, 610550), (41245, 488440), (48844, 412450), (61055, 329960), (65992, 305275), (82490, 244220), (97688, 206225), (122110, 164980)]