40201720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 103431600

約数和(自身を除く): 63229880

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 169, 190, 247, 260, 313, 338, 380, 494, 520, 626, 676, 760, 845, 988, 1235, 1252, 1352, 1565, 1690, 1976, 2470, 2504, 3130, 3211, 3380, 4069, 4940, 5947, 6260, 6422, 6760, 8138, 9880, 11894, 12520, 12844, 16055, 16276, 20345, 23788, 25688, 29735, 32110, 32552, 40690, 47576, 52897, 59470, 64220, 77311, 81380, 105794, 118940, 128440, 154622, 162760, 211588, 237880, 264485, 309244, 386555, 423176, 528970, 618488, 773110, 1005043, 1057940, 1546220, 2010086, 2115880, 3092440, 4020172, 5025215, 8040344, 10050430, 20100860, 40201720]

約数ペア:

[(1, 40201720), (2, 20100860), (4, 10050430), (5, 8040344), (8, 5025215), (10, 4020172), (13, 3092440), (19, 2115880), (20, 2010086), (26, 1546220), (38, 1057940), (40, 1005043), (52, 773110), (65, 618488), (76, 528970), (95, 423176), (104, 386555), (130, 309244), (152, 264485), (169, 237880), (190, 211588), (247, 162760), (260, 154622), (313, 128440), (338, 118940), (380, 105794), (494, 81380), (520, 77311), (626, 64220), (676, 59470), (760, 52897), (845, 47576), (988, 40690), (1235, 32552), (1252, 32110), (1352, 29735), (1565, 25688), (1690, 23788), (1976, 20345), (2470, 16276), (2504, 16055), (3130, 12844), (3211, 12520), (3380, 11894), (4069, 9880), (4940, 8138), (5947, 6760), (6260, 6422)]