20210694500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{4211}}^1$

素因数の和:4590

約数の個数: 96

約数和(自身を含む): 45811059840

約数和(自身を除く): 25600365340

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 331, 500, 580, 662, 725, 1324, 1450, 1655, 2900, 3310, 3625, 4211, 6620, 7250, 8275, 8422, 9599, 14500, 16550, 16844, 19198, 21055, 33100, 38396, 41375, 42110, 47995, 82750, 84220, 95990, 105275, 122119, 165500, 191980, 210550, 239975, 244238, 421100, 479950, 488476, 526375, 610595, 959900, 1052750, 1199875, 1221190, 1393841, 2105500, 2399750, 2442380, 2787682, 3052975, 4799500, 5575364, 6105950, 6969205, 12211900, 13938410, 15264875, 27876820, 30529750, 34846025, 40421389, 61059500, 69692050, 80842778, 139384100, 161685556, 174230125, 202106945, 348460250, 404213890, 696920500, 808427780, 1010534725, 2021069450, 4042138900, 5052673625, 10105347250, 20210694500]

約数ペア:

[(1, 20210694500), (2, 10105347250), (4, 5052673625), (5, 4042138900), (10, 2021069450), (20, 1010534725), (25, 808427780), (29, 696920500), (50, 404213890), (58, 348460250), (100, 202106945), (116, 174230125), (125, 161685556), (145, 139384100), (250, 80842778), (290, 69692050), (331, 61059500), (500, 40421389), (580, 34846025), (662, 30529750), (725, 27876820), (1324, 15264875), (1450, 13938410), (1655, 12211900), (2900, 6969205), (3310, 6105950), (3625, 5575364), (4211, 4799500), (6620, 3052975), (7250, 2787682), (8275, 2442380), (8422, 2399750), (9599, 2105500), (14500, 1393841), (16550, 1221190), (16844, 1199875), (19198, 1052750), (21055, 959900), (33100, 610595), (38396, 526375), (41375, 488476), (42110, 479950), (47995, 421100), (82750, 244238), (84220, 239975), (95990, 210550), (105275, 191980), (122119, 165500)]