84815900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1311

約数の個数: 72

約数和(自身を含む): 202112064

約数和(自身を除く): 117296164

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 260, 265, 325, 530, 650, 689, 1060, 1231, 1300, 1325, 1378, 2462, 2650, 2756, 3445, 4924, 5300, 6155, 6890, 12310, 13780, 16003, 17225, 24620, 30775, 32006, 34450, 61550, 64012, 65243, 68900, 80015, 123100, 130486, 160030, 260972, 320060, 326215, 400075, 652430, 800150, 848159, 1304860, 1600300, 1631075, 1696318, 3262150, 3392636, 4240795, 6524300, 8481590, 16963180, 21203975, 42407950, 84815900]

約数ペア:

[(1, 84815900), (2, 42407950), (4, 21203975), (5, 16963180), (10, 8481590), (13, 6524300), (20, 4240795), (25, 3392636), (26, 3262150), (50, 1696318), (52, 1631075), (53, 1600300), (65, 1304860), (100, 848159), (106, 800150), (130, 652430), (212, 400075), (260, 326215), (265, 320060), (325, 260972), (530, 160030), (650, 130486), (689, 123100), (1060, 80015), (1231, 68900), (1300, 65243), (1325, 64012), (1378, 61550), (2462, 34450), (2650, 32006), (2756, 30775), (3445, 24620), (4924, 17225), (5300, 16003), (6155, 13780), (6890, 12310)]