5555557120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{140009}}^1$

素因数の和:140061

約数の個数: 72

約数和(自身を含む): 13736661120

約数和(自身を除く): 8181104000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 140009, 280018, 560036, 700045, 1120072, 1400090, 2240144, 2800180, 4340279, 4480288, 5600360, 8680558, 8960576, 11200720, 17361116, 17921152, 21701395, 22401440, 34722232, 35842304, 43402790, 44802880, 69444464, 86805580, 89605760, 138888928, 173611160, 179211520, 277777856, 347222320, 555555712, 694444640, 1111111424, 1388889280, 2777778560, 5555557120]

約数ペア:

[(1, 5555557120), (2, 2777778560), (4, 1388889280), (5, 1111111424), (8, 694444640), (10, 555555712), (16, 347222320), (20, 277777856), (31, 179211520), (32, 173611160), (40, 138888928), (62, 89605760), (64, 86805580), (80, 69444464), (124, 44802880), (128, 43402790), (155, 35842304), (160, 34722232), (248, 22401440), (256, 21701395), (310, 17921152), (320, 17361116), (496, 11200720), (620, 8960576), (640, 8680558), (992, 5600360), (1240, 4480288), (1280, 4340279), (1984, 2800180), (2480, 2240144), (3968, 1400090), (4960, 1120072), (7936, 700045), (9920, 560036), (19840, 280018), (39680, 140009)]