20123432600

素因数分解:

$2^3\times 5^2\times {\mathrm{787}}^1\times {\mathrm{127849}}^1$

素因数の和:128652

約数の個数: 48

約数和(自身を含む): 46846797000

約数和(自身を除く): 26723364400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 787, 1574, 3148, 3935, 6296, 7870, 15740, 19675, 31480, 39350, 78700, 127849, 157400, 255698, 511396, 639245, 1022792, 1278490, 2556980, 3196225, 5113960, 6392450, 12784900, 25569800, 100617163, 201234326, 402468652, 503085815, 804937304, 1006171630, 2012343260, 2515429075, 4024686520, 5030858150, 10061716300, 20123432600]

約数ペア:

[(1, 20123432600), (2, 10061716300), (4, 5030858150), (5, 4024686520), (8, 2515429075), (10, 2012343260), (20, 1006171630), (25, 804937304), (40, 503085815), (50, 402468652), (100, 201234326), (200, 100617163), (787, 25569800), (1574, 12784900), (3148, 6392450), (3935, 5113960), (6296, 3196225), (7870, 2556980), (15740, 1278490), (19675, 1022792), (31480, 639245), (39350, 511396), (78700, 255698), (127849, 157400)]