391041440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{78839}}^1$

素因数の和:78885

約数の個数: 48

約数和(自身を含む): 953648640

約数和(自身を除く): 562607200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 78839, 157678, 315356, 394195, 630712, 788390, 1261424, 1576780, 2444009, 2522848, 3153560, 4888018, 6307120, 9776036, 12220045, 12614240, 19552072, 24440090, 39104144, 48880180, 78208288, 97760360, 195520720, 391041440]

約数ペア:

[(1, 391041440), (2, 195520720), (4, 97760360), (5, 78208288), (8, 48880180), (10, 39104144), (16, 24440090), (20, 19552072), (31, 12614240), (32, 12220045), (40, 9776036), (62, 6307120), (80, 4888018), (124, 3153560), (155, 2522848), (160, 2444009), (248, 1576780), (310, 1261424), (496, 788390), (620, 630712), (992, 394195), (1240, 315356), (2480, 157678), (4960, 78839)]