2080787080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{4021}}^1$

素因数の和:4810

約数の個数: 64

約数和(自身を含む): 4964917680

約数和(自身を除く): 2884130600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 761, 1522, 3044, 3805, 4021, 6088, 7610, 8042, 12937, 15220, 16084, 20105, 25874, 30440, 32168, 40210, 51748, 64685, 68357, 80420, 103496, 129370, 136714, 160840, 258740, 273428, 341785, 517480, 546856, 683570, 1367140, 2734280, 3059981, 6119962, 12239924, 15299905, 24479848, 30599810, 52019677, 61199620, 104039354, 122399240, 208078708, 260098385, 416157416, 520196770, 1040393540, 2080787080]

約数ペア:

[(1, 2080787080), (2, 1040393540), (4, 520196770), (5, 416157416), (8, 260098385), (10, 208078708), (17, 122399240), (20, 104039354), (34, 61199620), (40, 52019677), (68, 30599810), (85, 24479848), (136, 15299905), (170, 12239924), (340, 6119962), (680, 3059981), (761, 2734280), (1522, 1367140), (3044, 683570), (3805, 546856), (4021, 517480), (6088, 341785), (7610, 273428), (8042, 258740), (12937, 160840), (15220, 136714), (16084, 129370), (20105, 103496), (25874, 80420), (30440, 68357), (32168, 64685), (40210, 51748)]