5191880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 12441600

約数和(自身を除く): 7249720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 79, 106, 124, 155, 158, 212, 248, 265, 310, 316, 395, 424, 530, 620, 632, 790, 1060, 1240, 1580, 1643, 2120, 2449, 3160, 3286, 4187, 4898, 6572, 8215, 8374, 9796, 12245, 13144, 16430, 16748, 19592, 20935, 24490, 32860, 33496, 41870, 48980, 65720, 83740, 97960, 129797, 167480, 259594, 519188, 648985, 1038376, 1297970, 2595940, 5191880]

約数ペア:

[(1, 5191880), (2, 2595940), (4, 1297970), (5, 1038376), (8, 648985), (10, 519188), (20, 259594), (31, 167480), (40, 129797), (53, 97960), (62, 83740), (79, 65720), (106, 48980), (124, 41870), (155, 33496), (158, 32860), (212, 24490), (248, 20935), (265, 19592), (310, 16748), (316, 16430), (395, 13144), (424, 12245), (530, 9796), (620, 8374), (632, 8215), (790, 6572), (1060, 4898), (1240, 4187), (1580, 3286), (1643, 3160), (2120, 2449)]