26487640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 63141120

約数和(自身を除く): 36653480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 521, 620, 820, 1042, 1240, 1271, 1640, 2084, 2542, 2605, 4168, 5084, 5210, 6355, 10168, 10420, 12710, 16151, 20840, 21361, 25420, 32302, 42722, 50840, 64604, 80755, 85444, 106805, 129208, 161510, 170888, 213610, 323020, 427220, 646040, 662191, 854440, 1324382, 2648764, 3310955, 5297528, 6621910, 13243820, 26487640]

約数ペア:

[(1, 26487640), (2, 13243820), (4, 6621910), (5, 5297528), (8, 3310955), (10, 2648764), (20, 1324382), (31, 854440), (40, 662191), (41, 646040), (62, 427220), (82, 323020), (124, 213610), (155, 170888), (164, 161510), (205, 129208), (248, 106805), (310, 85444), (328, 80755), (410, 64604), (521, 50840), (620, 42722), (820, 32302), (1042, 25420), (1240, 21361), (1271, 20840), (1640, 16151), (2084, 12710), (2542, 10420), (2605, 10168), (4168, 6355), (5084, 5210)]