40025570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2039}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 78140160

約数和(自身を除く): 38114590

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1510, 1963, 2039, 3926, 4078, 9815, 10195, 19630, 20390, 26507, 53014, 132535, 265070, 307889, 615778, 1539445, 3078890, 4002557, 8005114, 20012785, 40025570]

約数ペア:

[(1, 40025570), (2, 20012785), (5, 8005114), (10, 4002557), (13, 3078890), (26, 1539445), (65, 615778), (130, 307889), (151, 265070), (302, 132535), (755, 53014), (1510, 26507), (1963, 20390), (2039, 19630), (3926, 10195), (4078, 9815)]