28030820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 62899200

約数和(自身を除く): 34868380

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1559, 1798, 3118, 3596, 4495, 6236, 7795, 8990, 15590, 17980, 31180, 45211, 48329, 90422, 96658, 180844, 193316, 226055, 241645, 452110, 483290, 904220, 966580, 1401541, 2803082, 5606164, 7007705, 14015410, 28030820]

約数ペア:

[(1, 28030820), (2, 14015410), (4, 7007705), (5, 5606164), (10, 2803082), (20, 1401541), (29, 966580), (31, 904220), (58, 483290), (62, 452110), (116, 241645), (124, 226055), (145, 193316), (155, 180844), (290, 96658), (310, 90422), (580, 48329), (620, 45211), (899, 31180), (1559, 17980), (1798, 15590), (3118, 8990), (3596, 7795), (4495, 6236)]