4049840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 10285056

約数和(自身を除く): 6235216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 71, 80, 92, 115, 124, 142, 155, 184, 230, 248, 284, 310, 355, 368, 460, 496, 568, 620, 710, 713, 920, 1136, 1240, 1420, 1426, 1633, 1840, 2201, 2480, 2840, 2852, 3266, 3565, 4402, 5680, 5704, 6532, 7130, 8165, 8804, 11005, 11408, 13064, 14260, 16330, 17608, 22010, 26128, 28520, 32660, 35216, 44020, 50623, 57040, 65320, 88040, 101246, 130640, 176080, 202492, 253115, 404984, 506230, 809968, 1012460, 2024920, 4049840]

約数ペア:

[(1, 4049840), (2, 2024920), (4, 1012460), (5, 809968), (8, 506230), (10, 404984), (16, 253115), (20, 202492), (23, 176080), (31, 130640), (40, 101246), (46, 88040), (62, 65320), (71, 57040), (80, 50623), (92, 44020), (115, 35216), (124, 32660), (142, 28520), (155, 26128), (184, 22010), (230, 17608), (248, 16330), (284, 14260), (310, 13064), (355, 11408), (368, 11005), (460, 8804), (496, 8165), (568, 7130), (620, 6532), (710, 5704), (713, 5680), (920, 4402), (1136, 3565), (1240, 3266), (1420, 2852), (1426, 2840), (1633, 2480), (1840, 2201)]