38490920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74021}}^1$

素因数の和:74045

約数の個数: 32

約数和(自身を含む): 93267720

約数和(自身を除く): 54776800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 74021, 148042, 296084, 370105, 592168, 740210, 962273, 1480420, 1924546, 2960840, 3849092, 4811365, 7698184, 9622730, 19245460, 38490920]

約数ペア:

[(1, 38490920), (2, 19245460), (4, 9622730), (5, 7698184), (8, 4811365), (10, 3849092), (13, 2960840), (20, 1924546), (26, 1480420), (40, 962273), (52, 740210), (65, 592168), (104, 370105), (130, 296084), (260, 148042), (520, 74021)]