8202740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4507}}^1$

素因数の和:4536

約数の個数: 48

約数和(自身を含む): 21205632

約数和(自身を除く): 13002892

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4507, 9014, 18028, 22535, 31549, 45070, 58591, 63098, 90140, 117182, 126196, 157745, 234364, 292955, 315490, 410137, 585910, 630980, 820274, 1171820, 1640548, 2050685, 4101370, 8202740]

約数ペア:

[(1, 8202740), (2, 4101370), (4, 2050685), (5, 1640548), (7, 1171820), (10, 820274), (13, 630980), (14, 585910), (20, 410137), (26, 315490), (28, 292955), (35, 234364), (52, 157745), (65, 126196), (70, 117182), (91, 90140), (130, 63098), (140, 58591), (182, 45070), (260, 31549), (364, 22535), (455, 18028), (910, 9014), (1820, 4507)]