4007680

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 10007424

約数和(自身を除く): 5999744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 128, 155, 160, 202, 248, 256, 310, 320, 404, 496, 505, 620, 640, 808, 992, 1010, 1240, 1280, 1616, 1984, 2020, 2480, 3131, 3232, 3968, 4040, 4960, 6262, 6464, 7936, 8080, 9920, 12524, 12928, 15655, 16160, 19840, 25048, 25856, 31310, 32320, 39680, 50096, 62620, 64640, 100192, 125240, 129280, 200384, 250480, 400768, 500960, 801536, 1001920, 2003840, 4007680]

約数ペア:

[(1, 4007680), (2, 2003840), (4, 1001920), (5, 801536), (8, 500960), (10, 400768), (16, 250480), (20, 200384), (31, 129280), (32, 125240), (40, 100192), (62, 64640), (64, 62620), (80, 50096), (101, 39680), (124, 32320), (128, 31310), (155, 25856), (160, 25048), (202, 19840), (248, 16160), (256, 15655), (310, 12928), (320, 12524), (404, 9920), (496, 8080), (505, 7936), (620, 6464), (640, 6262), (808, 4960), (992, 4040), (1010, 3968), (1240, 3232), (1280, 3131), (1616, 2480), (1984, 2020)]