13173680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 33747840

約数和(自身を除く): 20574160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 239, 260, 265, 424, 478, 520, 530, 689, 848, 956, 1040, 1060, 1195, 1378, 1912, 2120, 2390, 2756, 3107, 3445, 3824, 4240, 4780, 5512, 6214, 6890, 9560, 11024, 12428, 12667, 13780, 15535, 19120, 24856, 25334, 27560, 31070, 49712, 50668, 55120, 62140, 63335, 101336, 124280, 126670, 164671, 202672, 248560, 253340, 329342, 506680, 658684, 823355, 1013360, 1317368, 1646710, 2634736, 3293420, 6586840, 13173680]

約数ペア:

[(1, 13173680), (2, 6586840), (4, 3293420), (5, 2634736), (8, 1646710), (10, 1317368), (13, 1013360), (16, 823355), (20, 658684), (26, 506680), (40, 329342), (52, 253340), (53, 248560), (65, 202672), (80, 164671), (104, 126670), (106, 124280), (130, 101336), (208, 63335), (212, 62140), (239, 55120), (260, 50668), (265, 49712), (424, 31070), (478, 27560), (520, 25334), (530, 24856), (689, 19120), (848, 15535), (956, 13780), (1040, 12667), (1060, 12428), (1195, 11024), (1378, 9560), (1912, 6890), (2120, 6214), (2390, 5512), (2756, 4780), (3107, 4240), (3445, 3824)]