25817980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 55770624

約数和(自身を除く): 29952644

約数列:

[1, 2, 4, 5, 10, 20, 83, 103, 151, 166, 206, 302, 332, 412, 415, 515, 604, 755, 830, 1030, 1510, 1660, 2060, 3020, 8549, 12533, 15553, 17098, 25066, 31106, 34196, 42745, 50132, 62212, 62665, 77765, 85490, 125330, 155530, 170980, 250660, 311060, 1290899, 2581798, 5163596, 6454495, 12908990, 25817980]

約数ペア:

[(1, 25817980), (2, 12908990), (4, 6454495), (5, 5163596), (10, 2581798), (20, 1290899), (83, 311060), (103, 250660), (151, 170980), (166, 155530), (206, 125330), (302, 85490), (332, 77765), (412, 62665), (415, 62212), (515, 50132), (604, 42745), (755, 34196), (830, 31106), (1030, 25066), (1510, 17098), (1660, 15553), (2060, 12533), (3020, 8549)]