2013281720

素因数分解:

$2^3\times 5^1\times {\mathrm{4871}}^1\times {\mathrm{10333}}^1$

素因数の和:15215

約数の個数: 32

約数和(自身を含む): 4531252320

約数和(自身を除く): 2517970600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4871, 9742, 10333, 19484, 20666, 24355, 38968, 41332, 48710, 51665, 82664, 97420, 103330, 194840, 206660, 413320, 50332043, 100664086, 201328172, 251660215, 402656344, 503320430, 1006640860, 2013281720]

約数ペア:

[(1, 2013281720), (2, 1006640860), (4, 503320430), (5, 402656344), (8, 251660215), (10, 201328172), (20, 100664086), (40, 50332043), (4871, 413320), (9742, 206660), (10333, 194840), (19484, 103330), (20666, 97420), (24355, 82664), (38968, 51665), (41332, 48710)]