43181840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41521}}^1$

素因数の和:41547

約数の個数: 40

約数和(自身を含む): 108123288

約数和(自身を除く): 64941448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 41521, 83042, 166084, 207605, 332168, 415210, 539773, 664336, 830420, 1079546, 1660840, 2159092, 2698865, 3321680, 4318184, 5397730, 8636368, 10795460, 21590920, 43181840]

約数ペア:

[(1, 43181840), (2, 21590920), (4, 10795460), (5, 8636368), (8, 5397730), (10, 4318184), (13, 3321680), (16, 2698865), (20, 2159092), (26, 1660840), (40, 1079546), (52, 830420), (65, 664336), (80, 539773), (104, 415210), (130, 332168), (208, 207605), (260, 166084), (520, 83042), (1040, 41521)]