2665262500

素因数分解:

$2^2\times 5^5\times {\mathrm{79}}^1\times {\mathrm{2699}}^1$

素因数の和:2807

約数の個数: 72

約数和(自身を含む): 5905872000

約数和(自身を除く): 3240609500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 625, 790, 1250, 1580, 1975, 2500, 2699, 3125, 3950, 5398, 6250, 7900, 9875, 10796, 12500, 13495, 19750, 26990, 39500, 49375, 53980, 67475, 98750, 134950, 197500, 213221, 246875, 269900, 337375, 426442, 493750, 674750, 852884, 987500, 1066105, 1349500, 1686875, 2132210, 3373750, 4264420, 5330525, 6747500, 8434375, 10661050, 16868750, 21322100, 26652625, 33737500, 53305250, 106610500, 133263125, 266526250, 533052500, 666315625, 1332631250, 2665262500]

約数ペア:

[(1, 2665262500), (2, 1332631250), (4, 666315625), (5, 533052500), (10, 266526250), (20, 133263125), (25, 106610500), (50, 53305250), (79, 33737500), (100, 26652625), (125, 21322100), (158, 16868750), (250, 10661050), (316, 8434375), (395, 6747500), (500, 5330525), (625, 4264420), (790, 3373750), (1250, 2132210), (1580, 1686875), (1975, 1349500), (2500, 1066105), (2699, 987500), (3125, 852884), (3950, 674750), (5398, 493750), (6250, 426442), (7900, 337375), (9875, 269900), (10796, 246875), (12500, 213221), (13495, 197500), (19750, 134950), (26990, 98750), (39500, 67475), (49375, 53980)]