4446640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 11713536

約数和(自身を除く): 7266896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 163, 176, 220, 248, 310, 326, 341, 440, 496, 620, 652, 682, 815, 880, 1240, 1304, 1364, 1630, 1705, 1793, 2480, 2608, 2728, 3260, 3410, 3586, 5053, 5456, 6520, 6820, 7172, 8965, 10106, 13040, 13640, 14344, 17930, 20212, 25265, 27280, 28688, 35860, 40424, 50530, 55583, 71720, 80848, 101060, 111166, 143440, 202120, 222332, 277915, 404240, 444664, 555830, 889328, 1111660, 2223320, 4446640]

約数ペア:

[(1, 4446640), (2, 2223320), (4, 1111660), (5, 889328), (8, 555830), (10, 444664), (11, 404240), (16, 277915), (20, 222332), (22, 202120), (31, 143440), (40, 111166), (44, 101060), (55, 80848), (62, 71720), (80, 55583), (88, 50530), (110, 40424), (124, 35860), (155, 28688), (163, 27280), (176, 25265), (220, 20212), (248, 17930), (310, 14344), (326, 13640), (341, 13040), (440, 10106), (496, 8965), (620, 7172), (652, 6820), (682, 6520), (815, 5456), (880, 5053), (1240, 3586), (1304, 3410), (1364, 3260), (1630, 2728), (1705, 2608), (1793, 2480)]