2017805960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1\times {\mathrm{1231}}^1$

素因数の和:2238

約数の個数: 64

約数和(自身を含む): 4654298880

約数和(自身を除く): 2636492920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 953, 1231, 1720, 1906, 2462, 3812, 4765, 4924, 6155, 7624, 9530, 9848, 12310, 19060, 24620, 38120, 40979, 49240, 52933, 81958, 105866, 163916, 204895, 211732, 264665, 327832, 409790, 423464, 529330, 819580, 1058660, 1173143, 1639160, 2117320, 2346286, 4692572, 5865715, 9385144, 11731430, 23462860, 46925720, 50445149, 100890298, 201780596, 252225745, 403561192, 504451490, 1008902980, 2017805960]

約数ペア:

[(1, 2017805960), (2, 1008902980), (4, 504451490), (5, 403561192), (8, 252225745), (10, 201780596), (20, 100890298), (40, 50445149), (43, 46925720), (86, 23462860), (172, 11731430), (215, 9385144), (344, 5865715), (430, 4692572), (860, 2346286), (953, 2117320), (1231, 1639160), (1720, 1173143), (1906, 1058660), (2462, 819580), (3812, 529330), (4765, 423464), (4924, 409790), (6155, 327832), (7624, 264665), (9530, 211732), (9848, 204895), (12310, 163916), (19060, 105866), (24620, 81958), (38120, 52933), (40979, 49240)]