266639680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26879}}^1$

素因数の和:26927

約数の個数: 56

約数和(自身を含む): 655441920

約数和(自身を除く): 388802240

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, 26879, 53758, 107516, 134395, 215032, 268790, 430064, 537580, 833249, 860128, 1075160, 1666498, 1720256, 2150320, 3332996, 4166245, 4300640, 6665992, 8332490, 8601280, 13331984, 16664980, 26663968, 33329960, 53327936, 66659920, 133319840, 266639680]

約数ペア:

[(1, 266639680), (2, 133319840), (4, 66659920), (5, 53327936), (8, 33329960), (10, 26663968), (16, 16664980), (20, 13331984), (31, 8601280), (32, 8332490), (40, 6665992), (62, 4300640), (64, 4166245), (80, 3332996), (124, 2150320), (155, 1720256), (160, 1666498), (248, 1075160), (310, 860128), (320, 833249), (496, 537580), (620, 430064), (992, 268790), (1240, 215032), (1984, 134395), (2480, 107516), (4960, 53758), (9920, 26879)]