20565723950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{3467}}^1$

素因数の和:3642

約数の個数: 96

約数和(自身を含む): 40870241280

約数和(自身を除く): 20304517330

約数列:

[1, 2, 5, 10, 25, 31, 43, 50, 62, 86, 89, 155, 178, 215, 310, 430, 445, 775, 890, 1075, 1333, 1550, 2150, 2225, 2666, 2759, 3467, 3827, 4450, 5518, 6665, 6934, 7654, 13330, 13795, 17335, 19135, 27590, 33325, 34670, 38270, 66650, 68975, 86675, 95675, 107477, 118637, 137950, 149081, 173350, 191350, 214954, 237274, 298162, 308563, 537385, 593185, 617126, 745405, 1074770, 1186370, 1490810, 1542815, 2686925, 2965925, 3085630, 3727025, 4621511, 5373850, 5931850, 7454050, 7714075, 9243022, 9565453, 13268209, 15428150, 19130906, 23107555, 26536418, 46215110, 47827265, 66341045, 95654530, 115537775, 132682090, 231075550, 239136325, 331705225, 411314479, 478272650, 663410450, 822628958, 2056572395, 4113144790, 10282861975, 20565723950]

約数ペア:

[(1, 20565723950), (2, 10282861975), (5, 4113144790), (10, 2056572395), (25, 822628958), (31, 663410450), (43, 478272650), (50, 411314479), (62, 331705225), (86, 239136325), (89, 231075550), (155, 132682090), (178, 115537775), (215, 95654530), (310, 66341045), (430, 47827265), (445, 46215110), (775, 26536418), (890, 23107555), (1075, 19130906), (1333, 15428150), (1550, 13268209), (2150, 9565453), (2225, 9243022), (2666, 7714075), (2759, 7454050), (3467, 5931850), (3827, 5373850), (4450, 4621511), (5518, 3727025), (6665, 3085630), (6934, 2965925), (7654, 2686925), (13330, 1542815), (13795, 1490810), (17335, 1186370), (19135, 1074770), (27590, 745405), (33325, 617126), (34670, 593185), (38270, 537385), (66650, 308563), (68975, 298162), (86675, 237274), (95675, 214954), (107477, 191350), (118637, 173350), (137950, 149081)]