25830640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 66290400

約数和(自身を除く): 40459760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 197, 220, 298, 394, 440, 596, 745, 788, 880, 985, 1192, 1490, 1576, 1639, 1970, 2167, 2384, 2980, 3152, 3278, 3940, 4334, 5960, 6556, 7880, 8195, 8668, 10835, 11920, 13112, 15760, 16390, 17336, 21670, 26224, 29353, 32780, 34672, 43340, 58706, 65560, 86680, 117412, 131120, 146765, 173360, 234824, 293530, 322883, 469648, 587060, 645766, 1174120, 1291532, 1614415, 2348240, 2583064, 3228830, 5166128, 6457660, 12915320, 25830640]

約数ペア:

[(1, 25830640), (2, 12915320), (4, 6457660), (5, 5166128), (8, 3228830), (10, 2583064), (11, 2348240), (16, 1614415), (20, 1291532), (22, 1174120), (40, 645766), (44, 587060), (55, 469648), (80, 322883), (88, 293530), (110, 234824), (149, 173360), (176, 146765), (197, 131120), (220, 117412), (298, 86680), (394, 65560), (440, 58706), (596, 43340), (745, 34672), (788, 32780), (880, 29353), (985, 26224), (1192, 21670), (1490, 17336), (1576, 16390), (1639, 15760), (1970, 13112), (2167, 11920), (2384, 10835), (2980, 8668), (3152, 8195), (3278, 7880), (3940, 6556), (4334, 5960)]