86980821850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{272539}}^1$

素因数の和:273055

約数の個数: 48

約数和(自身を含む): 174584763360

約数和(自身を除く): 87603941510

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 491, 650, 982, 2455, 4910, 6383, 12275, 12766, 24550, 31915, 63830, 159575, 272539, 319150, 545078, 1362695, 2725390, 3543007, 6813475, 7086014, 13626950, 17715035, 35430070, 88575175, 133816649, 177150350, 267633298, 669083245, 1338166490, 1739616437, 3345416225, 3479232874, 6690832450, 8698082185, 17396164370, 43490410925, 86980821850]

約数ペア:

[(1, 86980821850), (2, 43490410925), (5, 17396164370), (10, 8698082185), (13, 6690832450), (25, 3479232874), (26, 3345416225), (50, 1739616437), (65, 1338166490), (130, 669083245), (325, 267633298), (491, 177150350), (650, 133816649), (982, 88575175), (2455, 35430070), (4910, 17715035), (6383, 13626950), (12275, 7086014), (12766, 6813475), (24550, 3543007), (31915, 2725390), (63830, 1362695), (159575, 545078), (272539, 319150)]