164016040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 383040000

約数和(自身を除く): 219023960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 349, 379, 620, 698, 758, 1240, 1396, 1516, 1745, 1895, 2792, 3032, 3490, 3790, 6980, 7580, 10819, 11749, 13960, 15160, 21638, 23498, 43276, 46996, 54095, 58745, 86552, 93992, 108190, 117490, 132271, 216380, 234980, 264542, 432760, 469960, 529084, 661355, 1058168, 1322710, 2645420, 4100401, 5290840, 8200802, 16401604, 20502005, 32803208, 41004010, 82008020, 164016040]

約数ペア:

[(1, 164016040), (2, 82008020), (4, 41004010), (5, 32803208), (8, 20502005), (10, 16401604), (20, 8200802), (31, 5290840), (40, 4100401), (62, 2645420), (124, 1322710), (155, 1058168), (248, 661355), (310, 529084), (349, 469960), (379, 432760), (620, 264542), (698, 234980), (758, 216380), (1240, 132271), (1396, 117490), (1516, 108190), (1745, 93992), (1895, 86552), (2792, 58745), (3032, 54095), (3490, 46996), (3790, 43276), (6980, 23498), (7580, 21638), (10819, 15160), (11749, 13960)]