40785680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39217}}^1$

素因数の和:39243

約数の個数: 40

約数和(自身を含む): 102123672

約数和(自身を除く): 61337992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 39217, 78434, 156868, 196085, 313736, 392170, 509821, 627472, 784340, 1019642, 1568680, 2039284, 2549105, 3137360, 4078568, 5098210, 8157136, 10196420, 20392840, 40785680]

約数ペア:

[(1, 40785680), (2, 20392840), (4, 10196420), (5, 8157136), (8, 5098210), (10, 4078568), (13, 3137360), (16, 2549105), (20, 2039284), (26, 1568680), (40, 1019642), (52, 784340), (65, 627472), (80, 509821), (104, 392170), (130, 313736), (208, 196085), (260, 156868), (520, 78434), (1040, 39217)]