4148560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4015

約数の個数: 40

約数和(自身を含む): 10389960

約数和(自身を除く): 6241400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3989, 7978, 15956, 19945, 31912, 39890, 51857, 63824, 79780, 103714, 159560, 207428, 259285, 319120, 414856, 518570, 829712, 1037140, 2074280, 4148560]

約数ペア:

[(1, 4148560), (2, 2074280), (4, 1037140), (5, 829712), (8, 518570), (10, 414856), (13, 319120), (16, 259285), (20, 207428), (26, 159560), (40, 103714), (52, 79780), (65, 63824), (80, 51857), (104, 39890), (130, 31912), (208, 19945), (260, 15956), (520, 7978), (1040, 3989)]