4000379.00000000

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{971}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 97025040

約数和(自身を除く): 50774368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 229, 458, 916, 971, 1832, 1942, 2977, 3664, 3884, 5954, 7768, 11908, 12623, 15536, 23816, 25246, 47632, 50492, 100984, 201968, 222359, 444718, 889436, 1778872, 2890667, 3557744, 5781334, 11562668, 23125336, 46250672]

約数ペア:

[(1, 46250672), (2, 23125336), (4, 11562668), (8, 5781334), (13, 3557744), (16, 2890667), (26, 1778872), (52, 889436), (104, 444718), (208, 222359), (229, 201968), (458, 100984), (916, 50492), (971, 47632), (1832, 25246), (1942, 23816), (2977, 15536), (3664, 12623), (3884, 11908), (5954, 7768)]