40179100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 97021568

約数和(自身を除く): 56842468

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 997, 1300, 1550, 1612, 1994, 2015, 3100, 3988, 4030, 4985, 8060, 9970, 10075, 12961, 19940, 20150, 24925, 25922, 30907, 40300, 49850, 51844, 61814, 64805, 99700, 123628, 129610, 154535, 259220, 309070, 324025, 401791, 618140, 648050, 772675, 803582, 1296100, 1545350, 1607164, 2008955, 3090700, 4017910, 8035820, 10044775, 20089550, 40179100]

約数ペア:

[(1, 40179100), (2, 20089550), (4, 10044775), (5, 8035820), (10, 4017910), (13, 3090700), (20, 2008955), (25, 1607164), (26, 1545350), (31, 1296100), (50, 803582), (52, 772675), (62, 648050), (65, 618140), (100, 401791), (124, 324025), (130, 309070), (155, 259220), (260, 154535), (310, 129610), (325, 123628), (403, 99700), (620, 64805), (650, 61814), (775, 51844), (806, 49850), (997, 40300), (1300, 30907), (1550, 25922), (1612, 24925), (1994, 20150), (2015, 19940), (3100, 12961), (3988, 10075), (4030, 9970), (4985, 8060)]