53773840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21683}}^1$

素因数の和:21727

約数の個数: 40

約数和(自身を含む): 129063168

約数和(自身を除く): 75289328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21683, 43366, 86732, 108415, 173464, 216830, 346928, 433660, 672173, 867320, 1344346, 1734640, 2688692, 3360865, 5377384, 6721730, 10754768, 13443460, 26886920, 53773840]

約数ペア:

[(1, 53773840), (2, 26886920), (4, 13443460), (5, 10754768), (8, 6721730), (10, 5377384), (16, 3360865), (20, 2688692), (31, 1734640), (40, 1344346), (62, 867320), (80, 672173), (124, 433660), (155, 346928), (248, 216830), (310, 173464), (496, 108415), (620, 86732), (1240, 43366), (2480, 21683)]