40447880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 102415320

約数和(自身を除く): 61967440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 121, 122, 137, 220, 242, 244, 274, 305, 440, 484, 488, 548, 605, 610, 671, 685, 968, 1096, 1210, 1220, 1342, 1370, 1507, 2420, 2440, 2684, 2740, 3014, 3355, 4840, 5368, 5480, 6028, 6710, 7381, 7535, 8357, 12056, 13420, 14762, 15070, 16577, 16714, 26840, 29524, 30140, 33154, 33428, 36905, 41785, 59048, 60280, 66308, 66856, 73810, 82885, 83570, 91927, 132616, 147620, 165770, 167140, 183854, 295240, 331540, 334280, 367708, 459635, 663080, 735416, 919270, 1011197, 1838540, 2022394, 3677080, 4044788, 5055985, 8089576, 10111970, 20223940, 40447880]

約数ペア:

[(1, 40447880), (2, 20223940), (4, 10111970), (5, 8089576), (8, 5055985), (10, 4044788), (11, 3677080), (20, 2022394), (22, 1838540), (40, 1011197), (44, 919270), (55, 735416), (61, 663080), (88, 459635), (110, 367708), (121, 334280), (122, 331540), (137, 295240), (220, 183854), (242, 167140), (244, 165770), (274, 147620), (305, 132616), (440, 91927), (484, 83570), (488, 82885), (548, 73810), (605, 66856), (610, 66308), (671, 60280), (685, 59048), (968, 41785), (1096, 36905), (1210, 33428), (1220, 33154), (1342, 30140), (1370, 29524), (1507, 26840), (2420, 16714), (2440, 16577), (2684, 15070), (2740, 14762), (3014, 13420), (3355, 12056), (4840, 8357), (5368, 7535), (5480, 7381), (6028, 6710)]