26477720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 62346240

約数和(自身を除く): 35868520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 163, 248, 262, 310, 326, 524, 620, 652, 655, 815, 1048, 1240, 1304, 1310, 1630, 2620, 3260, 4061, 5053, 5240, 6520, 8122, 10106, 16244, 20212, 20305, 21353, 25265, 32488, 40424, 40610, 42706, 50530, 81220, 85412, 101060, 106765, 162440, 170824, 202120, 213530, 427060, 661943, 854120, 1323886, 2647772, 3309715, 5295544, 6619430, 13238860, 26477720]

約数ペア:

[(1, 26477720), (2, 13238860), (4, 6619430), (5, 5295544), (8, 3309715), (10, 2647772), (20, 1323886), (31, 854120), (40, 661943), (62, 427060), (124, 213530), (131, 202120), (155, 170824), (163, 162440), (248, 106765), (262, 101060), (310, 85412), (326, 81220), (524, 50530), (620, 42706), (652, 40610), (655, 40424), (815, 32488), (1048, 25265), (1240, 21353), (1304, 20305), (1310, 20212), (1630, 16244), (2620, 10106), (3260, 8122), (4061, 6520), (5053, 5240)]