65353840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{22079}}^1$

素因数の和:22129

約数の個数: 40

約数和(自身を含む): 156061440

約数和(自身を除く): 90707600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 22079, 44158, 88316, 110395, 176632, 220790, 353264, 441580, 816923, 883160, 1633846, 1766320, 3267692, 4084615, 6535384, 8169230, 13070768, 16338460, 32676920, 65353840]

約数ペア:

[(1, 65353840), (2, 32676920), (4, 16338460), (5, 13070768), (8, 8169230), (10, 6535384), (16, 4084615), (20, 3267692), (37, 1766320), (40, 1633846), (74, 883160), (80, 816923), (148, 441580), (185, 353264), (296, 220790), (370, 176632), (592, 110395), (740, 88316), (1480, 44158), (2960, 22079)]