20033750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 80

約数和(自身を含む): 43186176

約数和(自身を除く): 23152426

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 47, 50, 55, 62, 94, 110, 125, 155, 235, 250, 275, 310, 341, 470, 517, 550, 625, 682, 775, 1034, 1175, 1250, 1375, 1457, 1550, 1705, 2350, 2585, 2750, 2914, 3410, 3875, 5170, 5875, 6875, 7285, 7750, 8525, 11750, 12925, 13750, 14570, 16027, 17050, 19375, 25850, 29375, 32054, 36425, 38750, 42625, 58750, 64625, 72850, 80135, 85250, 129250, 160270, 182125, 213125, 323125, 364250, 400675, 426250, 646250, 801350, 910625, 1821250, 2003375, 4006750, 10016875, 20033750]

約数ペア:

[(1, 20033750), (2, 10016875), (5, 4006750), (10, 2003375), (11, 1821250), (22, 910625), (25, 801350), (31, 646250), (47, 426250), (50, 400675), (55, 364250), (62, 323125), (94, 213125), (110, 182125), (125, 160270), (155, 129250), (235, 85250), (250, 80135), (275, 72850), (310, 64625), (341, 58750), (470, 42625), (517, 38750), (550, 36425), (625, 32054), (682, 29375), (775, 25850), (1034, 19375), (1175, 17050), (1250, 16027), (1375, 14570), (1457, 13750), (1550, 12925), (1705, 11750), (2350, 8525), (2585, 7750), (2750, 7285), (2914, 6875), (3410, 5875), (3875, 5170)]