25313360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 62138880

約数和(自身を除く): 36825520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 173, 236, 248, 295, 310, 346, 472, 496, 590, 620, 692, 865, 944, 1180, 1240, 1384, 1730, 1829, 2360, 2480, 2768, 3460, 3658, 4720, 5363, 6920, 7316, 9145, 10207, 10726, 13840, 14632, 18290, 20414, 21452, 26815, 29264, 36580, 40828, 42904, 51035, 53630, 73160, 81656, 85808, 102070, 107260, 146320, 163312, 204140, 214520, 316417, 408280, 429040, 632834, 816560, 1265668, 1582085, 2531336, 3164170, 5062672, 6328340, 12656680, 25313360]

約数ペア:

[(1, 25313360), (2, 12656680), (4, 6328340), (5, 5062672), (8, 3164170), (10, 2531336), (16, 1582085), (20, 1265668), (31, 816560), (40, 632834), (59, 429040), (62, 408280), (80, 316417), (118, 214520), (124, 204140), (155, 163312), (173, 146320), (236, 107260), (248, 102070), (295, 85808), (310, 81656), (346, 73160), (472, 53630), (496, 51035), (590, 42904), (620, 40828), (692, 36580), (865, 29264), (944, 26815), (1180, 21452), (1240, 20414), (1384, 18290), (1730, 14632), (1829, 13840), (2360, 10726), (2480, 10207), (2768, 9145), (3460, 7316), (3658, 6920), (4720, 5363)]