26659880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 65197440

約数和(自身を除く): 38537560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 307, 334, 520, 614, 668, 835, 1228, 1336, 1535, 1670, 2171, 2456, 3070, 3340, 3991, 4342, 6140, 6680, 7982, 8684, 10855, 12280, 15964, 17368, 19955, 21710, 31928, 39910, 43420, 51269, 79820, 86840, 102538, 159640, 205076, 256345, 410152, 512690, 666497, 1025380, 1332994, 2050760, 2665988, 3332485, 5331976, 6664970, 13329940, 26659880]

約数ペア:

[(1, 26659880), (2, 13329940), (4, 6664970), (5, 5331976), (8, 3332485), (10, 2665988), (13, 2050760), (20, 1332994), (26, 1025380), (40, 666497), (52, 512690), (65, 410152), (104, 256345), (130, 205076), (167, 159640), (260, 102538), (307, 86840), (334, 79820), (520, 51269), (614, 43420), (668, 39910), (835, 31928), (1228, 21710), (1336, 19955), (1535, 17368), (1670, 15964), (2171, 12280), (2456, 10855), (3070, 8684), (3340, 7982), (3991, 6680), (4342, 6140)]