260447120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105019}}^1$

素因数の和:105063

約数の個数: 40

約数和(自身を含む): 625079040

約数和(自身を除く): 364631920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 105019, 210038, 420076, 525095, 840152, 1050190, 1680304, 2100380, 3255589, 4200760, 6511178, 8401520, 13022356, 16277945, 26044712, 32555890, 52089424, 65111780, 130223560, 260447120]

約数ペア:

[(1, 260447120), (2, 130223560), (4, 65111780), (5, 52089424), (8, 32555890), (10, 26044712), (16, 16277945), (20, 13022356), (31, 8401520), (40, 6511178), (62, 4200760), (80, 3255589), (124, 2100380), (155, 1680304), (248, 1050190), (310, 840152), (496, 525095), (620, 420076), (1240, 210038), (2480, 105019)]