18899414560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{16139}}^1$

素因数の和:16730

約数の個数: 96

約数和(自身を含む): 48172864320

約数和(自身を除く): 29273449760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 563, 1040, 1126, 2080, 2252, 2815, 4504, 5630, 7319, 9008, 11260, 14638, 16139, 18016, 22520, 29276, 32278, 36595, 45040, 58552, 64556, 73190, 80695, 90080, 117104, 129112, 146380, 161390, 209807, 234208, 258224, 292760, 322780, 419614, 516448, 585520, 645560, 839228, 1049035, 1171040, 1291120, 1678456, 2098070, 2582240, 3356912, 4196140, 6713824, 8392280, 9086257, 16784560, 18172514, 33569120, 36345028, 45431285, 72690056, 90862570, 118121341, 145380112, 181725140, 236242682, 290760224, 363450280, 472485364, 590606705, 726900560, 944970728, 1181213410, 1453801120, 1889941456, 2362426820, 3779882912, 4724853640, 9449707280, 18899414560]

約数ペア:

[(1, 18899414560), (2, 9449707280), (4, 4724853640), (5, 3779882912), (8, 2362426820), (10, 1889941456), (13, 1453801120), (16, 1181213410), (20, 944970728), (26, 726900560), (32, 590606705), (40, 472485364), (52, 363450280), (65, 290760224), (80, 236242682), (104, 181725140), (130, 145380112), (160, 118121341), (208, 90862570), (260, 72690056), (416, 45431285), (520, 36345028), (563, 33569120), (1040, 18172514), (1126, 16784560), (2080, 9086257), (2252, 8392280), (2815, 6713824), (4504, 4196140), (5630, 3356912), (7319, 2582240), (9008, 2098070), (11260, 1678456), (14638, 1291120), (16139, 1171040), (18016, 1049035), (22520, 839228), (29276, 645560), (32278, 585520), (36595, 516448), (45040, 419614), (58552, 322780), (64556, 292760), (73190, 258224), (80695, 234208), (90080, 209807), (117104, 161390), (129112, 146380)]