40641580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{367}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 100433088

約数和(自身を除く): 59791508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 367, 452, 490, 565, 734, 791, 980, 1130, 1468, 1582, 1835, 2260, 2569, 3164, 3670, 3955, 5138, 5537, 7340, 7910, 10276, 11074, 12845, 15820, 17983, 22148, 25690, 27685, 35966, 41471, 51380, 55370, 71932, 82942, 89915, 110740, 165884, 179830, 207355, 290297, 359660, 414710, 580594, 829420, 1161188, 1451485, 2032079, 2902970, 4064158, 5805940, 8128316, 10160395, 20320790, 40641580]

約数ペア:

[(1, 40641580), (2, 20320790), (4, 10160395), (5, 8128316), (7, 5805940), (10, 4064158), (14, 2902970), (20, 2032079), (28, 1451485), (35, 1161188), (49, 829420), (70, 580594), (98, 414710), (113, 359660), (140, 290297), (196, 207355), (226, 179830), (245, 165884), (367, 110740), (452, 89915), (490, 82942), (565, 71932), (734, 55370), (791, 51380), (980, 41471), (1130, 35966), (1468, 27685), (1582, 25690), (1835, 22148), (2260, 17983), (2569, 15820), (3164, 12845), (3670, 11074), (3955, 10276), (5138, 7910), (5537, 7340)]