39965980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 94493952

約数和(自身を除く): 54527972

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 47, 61, 68, 82, 85, 94, 122, 164, 170, 188, 205, 235, 244, 305, 340, 410, 470, 610, 697, 799, 820, 940, 1037, 1220, 1394, 1598, 1927, 2074, 2501, 2788, 2867, 3196, 3485, 3854, 3995, 4148, 5002, 5185, 5734, 6970, 7708, 7990, 9635, 10004, 10370, 11468, 12505, 13940, 14335, 15980, 19270, 20740, 25010, 28670, 32759, 38540, 42517, 48739, 50020, 57340, 65518, 85034, 97478, 117547, 131036, 163795, 170068, 194956, 212585, 235094, 243695, 327590, 425170, 470188, 487390, 587735, 655180, 850340, 974780, 1175470, 1998299, 2350940, 3996598, 7993196, 9991495, 19982990, 39965980]

約数ペア:

[(1, 39965980), (2, 19982990), (4, 9991495), (5, 7993196), (10, 3996598), (17, 2350940), (20, 1998299), (34, 1175470), (41, 974780), (47, 850340), (61, 655180), (68, 587735), (82, 487390), (85, 470188), (94, 425170), (122, 327590), (164, 243695), (170, 235094), (188, 212585), (205, 194956), (235, 170068), (244, 163795), (305, 131036), (340, 117547), (410, 97478), (470, 85034), (610, 65518), (697, 57340), (799, 50020), (820, 48739), (940, 42517), (1037, 38540), (1220, 32759), (1394, 28670), (1598, 25010), (1927, 20740), (2074, 19270), (2501, 15980), (2788, 14335), (2867, 13940), (3196, 12505), (3485, 11468), (3854, 10370), (3995, 10004), (4148, 9635), (5002, 7990), (5185, 7708), (5734, 6970)]