158911220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{6301}}^1$

素因数の和:6420

約数の個数: 48

約数和(自身を含む): 363146448

約数和(自身を除く): 204235228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 5044, 6301, 6305, 12602, 12610, 25204, 25220, 31505, 63010, 81913, 126020, 163826, 327652, 409565, 611197, 819130, 1222394, 1638260, 2444788, 3055985, 6111970, 7945561, 12223940, 15891122, 31782244, 39727805, 79455610, 158911220]

約数ペア:

[(1, 158911220), (2, 79455610), (4, 39727805), (5, 31782244), (10, 15891122), (13, 12223940), (20, 7945561), (26, 6111970), (52, 3055985), (65, 2444788), (97, 1638260), (130, 1222394), (194, 819130), (260, 611197), (388, 409565), (485, 327652), (970, 163826), (1261, 126020), (1940, 81913), (2522, 63010), (5044, 31505), (6301, 25220), (6305, 25204), (12602, 12610)]