404815360

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5101}}^1$

素因数の和:5155

約数の個数: 80

約数和(自身を含む): 1002114432

約数和(自身を除く): 597299072

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, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 5101, 7936, 9920, 10202, 15872, 19840, 20404, 25505, 39680, 40808, 51010, 79360, 81616, 102020, 158131, 163232, 204040, 316262, 326464, 408080, 632524, 652928, 790655, 816160, 1265048, 1305856, 1581310, 1632320, 2530096, 2611712, 3162620, 3264640, 5060192, 6325240, 6529280, 10120384, 12650480, 13058560, 20240768, 25300960, 40481536, 50601920, 80963072, 101203840, 202407680, 404815360]

約数ペア:

[(1, 404815360), (2, 202407680), (4, 101203840), (5, 80963072), (8, 50601920), (10, 40481536), (16, 25300960), (20, 20240768), (31, 13058560), (32, 12650480), (40, 10120384), (62, 6529280), (64, 6325240), (80, 5060192), (124, 3264640), (128, 3162620), (155, 2611712), (160, 2530096), (248, 1632320), (256, 1581310), (310, 1305856), (320, 1265048), (496, 816160), (512, 790655), (620, 652928), (640, 632524), (992, 408080), (1240, 326464), (1280, 316262), (1984, 204040), (2480, 163232), (2560, 158131), (3968, 102020), (4960, 81616), (5101, 79360), (7936, 51010), (9920, 40808), (10202, 39680), (15872, 25505), (19840, 20404)]