39120800

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:718

約数の個数: 72

約数和(自身を含む): 96868800

約数和(自身を除く): 57748000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 619, 632, 790, 800, 1238, 1264, 1580, 1975, 2476, 2528, 3095, 3160, 3950, 4952, 6190, 6320, 7900, 9904, 12380, 12640, 15475, 15800, 19808, 24760, 30950, 31600, 48901, 49520, 61900, 63200, 97802, 99040, 123800, 195604, 244505, 247600, 391208, 489010, 495200, 782416, 978020, 1222525, 1564832, 1956040, 2445050, 3912080, 4890100, 7824160, 9780200, 19560400, 39120800]

約数ペア:

[(1, 39120800), (2, 19560400), (4, 9780200), (5, 7824160), (8, 4890100), (10, 3912080), (16, 2445050), (20, 1956040), (25, 1564832), (32, 1222525), (40, 978020), (50, 782416), (79, 495200), (80, 489010), (100, 391208), (158, 247600), (160, 244505), (200, 195604), (316, 123800), (395, 99040), (400, 97802), (619, 63200), (632, 61900), (790, 49520), (800, 48901), (1238, 31600), (1264, 30950), (1580, 24760), (1975, 19808), (2476, 15800), (2528, 15475), (3095, 12640), (3160, 12380), (3950, 9904), (4952, 7900), (6190, 6320)]