1640648750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5939}}^1$

素因数の和:5991

約数の個数: 80

約数和(自身を含む): 3507189840

約数和(自身を除く): 1866541090

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 425, 442, 625, 650, 850, 1105, 1250, 1625, 2125, 2210, 3250, 4250, 5525, 5939, 8125, 10625, 11050, 11878, 16250, 21250, 27625, 29695, 55250, 59390, 77207, 100963, 138125, 148475, 154414, 201926, 276250, 296950, 386035, 504815, 742375, 772070, 1009630, 1312519, 1484750, 1930175, 2524075, 2625038, 3711875, 3860350, 5048150, 6562595, 7423750, 9650875, 12620375, 13125190, 19301750, 25240750, 32812975, 48254375, 63101875, 65625950, 96508750, 126203750, 164064875, 328129750, 820324375, 1640648750]

約数ペア:

[(1, 1640648750), (2, 820324375), (5, 328129750), (10, 164064875), (13, 126203750), (17, 96508750), (25, 65625950), (26, 63101875), (34, 48254375), (50, 32812975), (65, 25240750), (85, 19301750), (125, 13125190), (130, 12620375), (170, 9650875), (221, 7423750), (250, 6562595), (325, 5048150), (425, 3860350), (442, 3711875), (625, 2625038), (650, 2524075), (850, 1930175), (1105, 1484750), (1250, 1312519), (1625, 1009630), (2125, 772070), (2210, 742375), (3250, 504815), (4250, 386035), (5525, 296950), (5939, 276250), (8125, 201926), (10625, 154414), (11050, 148475), (11878, 138125), (16250, 100963), (21250, 77207), (27625, 59390), (29695, 55250)]