40166768

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:585

約数の個数: 40

約数和(自身を含む): 80061840

約数和(自身を除く): 39895072

約数列:

[1, 2, 4, 8, 16, 67, 89, 134, 178, 268, 356, 421, 536, 712, 842, 1072, 1424, 1684, 3368, 5963, 6736, 11926, 23852, 28207, 37469, 47704, 56414, 74938, 95408, 112828, 149876, 225656, 299752, 451312, 599504, 2510423, 5020846, 10041692, 20083384, 40166768]

約数ペア:

[(1, 40166768), (2, 20083384), (4, 10041692), (8, 5020846), (16, 2510423), (67, 599504), (89, 451312), (134, 299752), (178, 225656), (268, 149876), (356, 112828), (421, 95408), (536, 74938), (712, 56414), (842, 47704), (1072, 37469), (1424, 28207), (1684, 23852), (3368, 11926), (5963, 6736)]