40739480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 97886880

約数和(自身を除く): 57147400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 331, 340, 362, 662, 680, 724, 905, 1324, 1448, 1655, 1810, 2648, 3077, 3310, 3620, 5627, 6154, 6620, 7240, 11254, 12308, 13240, 15385, 22508, 24616, 28135, 30770, 45016, 56270, 59911, 61540, 112540, 119822, 123080, 225080, 239644, 299555, 479288, 599110, 1018487, 1198220, 2036974, 2396440, 4073948, 5092435, 8147896, 10184870, 20369740, 40739480]

約数ペア:

[(1, 40739480), (2, 20369740), (4, 10184870), (5, 8147896), (8, 5092435), (10, 4073948), (17, 2396440), (20, 2036974), (34, 1198220), (40, 1018487), (68, 599110), (85, 479288), (136, 299555), (170, 239644), (181, 225080), (331, 123080), (340, 119822), (362, 112540), (662, 61540), (680, 59911), (724, 56270), (905, 45016), (1324, 30770), (1448, 28135), (1655, 24616), (1810, 22508), (2648, 15385), (3077, 13240), (3310, 12308), (3620, 11254), (5627, 7240), (6154, 6620)]