131132480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13219}}^1$

素因数の和:13267

約数の個数: 56

約数和(自身を含む): 322356480

約数和(自身を除く): 191224000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 13219, 26438, 52876, 66095, 105752, 132190, 211504, 264380, 409789, 423008, 528760, 819578, 846016, 1057520, 1639156, 2048945, 2115040, 3278312, 4097890, 4230080, 6556624, 8195780, 13113248, 16391560, 26226496, 32783120, 65566240, 131132480]

約数ペア:

[(1, 131132480), (2, 65566240), (4, 32783120), (5, 26226496), (8, 16391560), (10, 13113248), (16, 8195780), (20, 6556624), (31, 4230080), (32, 4097890), (40, 3278312), (62, 2115040), (64, 2048945), (80, 1639156), (124, 1057520), (155, 846016), (160, 819578), (248, 528760), (310, 423008), (320, 409789), (496, 264380), (620, 211504), (992, 132190), (1240, 105752), (1984, 66095), (2480, 52876), (4960, 26438), (9920, 13219)]