812374840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{3923}}^1$

素因数の和:4132

約数の個数: 64

約数和(自身を含む): 1898588160

約数和(自身を除く): 1086213320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 167, 248, 310, 334, 620, 668, 835, 1240, 1336, 1670, 3340, 3923, 5177, 6680, 7846, 10354, 15692, 19615, 20708, 25885, 31384, 39230, 41416, 51770, 78460, 103540, 121613, 156920, 207080, 243226, 486452, 608065, 655141, 972904, 1216130, 1310282, 2432260, 2620564, 3275705, 4864520, 5241128, 6551410, 13102820, 20309371, 26205640, 40618742, 81237484, 101546855, 162474968, 203093710, 406187420, 812374840]

約数ペア:

[(1, 812374840), (2, 406187420), (4, 203093710), (5, 162474968), (8, 101546855), (10, 81237484), (20, 40618742), (31, 26205640), (40, 20309371), (62, 13102820), (124, 6551410), (155, 5241128), (167, 4864520), (248, 3275705), (310, 2620564), (334, 2432260), (620, 1310282), (668, 1216130), (835, 972904), (1240, 655141), (1336, 608065), (1670, 486452), (3340, 243226), (3923, 207080), (5177, 156920), (6680, 121613), (7846, 103540), (10354, 78460), (15692, 51770), (19615, 41416), (20708, 39230), (25885, 31384)]