55005980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 119024640

約数和(自身を除く): 64018660

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 163, 188, 235, 326, 359, 470, 652, 718, 815, 940, 1436, 1630, 1795, 3260, 3590, 7180, 7661, 15322, 16873, 30644, 33746, 38305, 58517, 67492, 76610, 84365, 117034, 153220, 168730, 234068, 292585, 337460, 585170, 1170340, 2750299, 5500598, 11001196, 13751495, 27502990, 55005980]

約数ペア:

[(1, 55005980), (2, 27502990), (4, 13751495), (5, 11001196), (10, 5500598), (20, 2750299), (47, 1170340), (94, 585170), (163, 337460), (188, 292585), (235, 234068), (326, 168730), (359, 153220), (470, 117034), (652, 84365), (718, 76610), (815, 67492), (940, 58517), (1436, 38305), (1630, 33746), (1795, 30644), (3260, 16873), (3590, 15322), (7180, 7661)]