16504280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1$

素因数の和:1908

約数の個数: 64

約数和(自身を含む): 42366240

約数和(自身を除く): 25861960

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 1867, 2210, 3734, 4420, 7468, 8840, 9335, 14936, 18670, 24271, 31739, 37340, 48542, 63478, 74680, 97084, 121355, 126956, 158695, 194168, 242710, 253912, 317390, 412607, 485420, 634780, 825214, 970840, 1269560, 1650428, 2063035, 3300856, 4126070, 8252140, 16504280]

約数ペア:

[(1, 16504280), (2, 8252140), (4, 4126070), (5, 3300856), (8, 2063035), (10, 1650428), (13, 1269560), (17, 970840), (20, 825214), (26, 634780), (34, 485420), (40, 412607), (52, 317390), (65, 253912), (68, 242710), (85, 194168), (104, 158695), (130, 126956), (136, 121355), (170, 97084), (221, 74680), (260, 63478), (340, 48542), (442, 37340), (520, 31739), (680, 24271), (884, 18670), (1105, 14936), (1768, 9335), (1867, 8840), (2210, 7468), (3734, 4420)]