16511840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3329}}^1$

素因数の和:3375

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 23767840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3329, 4960, 6658, 13316, 16645, 26632, 33290, 53264, 66580, 103199, 106528, 133160, 206398, 266320, 412796, 515995, 532640, 825592, 1031990, 1651184, 2063980, 3302368, 4127960, 8255920, 16511840]

約数ペア:

[(1, 16511840), (2, 8255920), (4, 4127960), (5, 3302368), (8, 2063980), (10, 1651184), (16, 1031990), (20, 825592), (31, 532640), (32, 515995), (40, 412796), (62, 266320), (80, 206398), (124, 133160), (155, 106528), (160, 103199), (248, 66580), (310, 53264), (496, 33290), (620, 26632), (992, 16645), (1240, 13316), (2480, 6658), (3329, 4960)]