65040560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62539}}^1$

素因数の和:62565

約数の個数: 40

約数和(自身を含む): 162854160

約数和(自身を除く): 97813600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62539, 125078, 250156, 312695, 500312, 625390, 813007, 1000624, 1250780, 1626014, 2501560, 3252028, 4065035, 5003120, 6504056, 8130070, 13008112, 16260140, 32520280, 65040560]

約数ペア:

[(1, 65040560), (2, 32520280), (4, 16260140), (5, 13008112), (8, 8130070), (10, 6504056), (13, 5003120), (16, 4065035), (20, 3252028), (26, 2501560), (40, 1626014), (52, 1250780), (65, 1000624), (80, 813007), (104, 625390), (130, 500312), (208, 312695), (260, 250156), (520, 125078), (1040, 62539)]