16811080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2939}}^1$

素因数の和:2974

約数の個数: 64

約数和(自身を含む): 44452800

約数和(自身を除く): 27641720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 2939, 5720, 5878, 11756, 14695, 23512, 29390, 32329, 38207, 58780, 64658, 76414, 117560, 129316, 152828, 161645, 191035, 258632, 305656, 323290, 382070, 420277, 646580, 764140, 840554, 1293160, 1528280, 1681108, 2101385, 3362216, 4202770, 8405540, 16811080]

約数ペア:

[(1, 16811080), (2, 8405540), (4, 4202770), (5, 3362216), (8, 2101385), (10, 1681108), (11, 1528280), (13, 1293160), (20, 840554), (22, 764140), (26, 646580), (40, 420277), (44, 382070), (52, 323290), (55, 305656), (65, 258632), (88, 191035), (104, 161645), (110, 152828), (130, 129316), (143, 117560), (220, 76414), (260, 64658), (286, 58780), (440, 38207), (520, 32329), (572, 29390), (715, 23512), (1144, 14695), (1430, 11756), (2860, 5878), (2939, 5720)]