13303600

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:518

約数の個数: 60

約数和(自身を含む): 32443360

約数和(自身を除く): 19139760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 421, 632, 790, 842, 1264, 1580, 1684, 1975, 2105, 3160, 3368, 3950, 4210, 6320, 6736, 7900, 8420, 10525, 15800, 16840, 21050, 31600, 33259, 33680, 42100, 66518, 84200, 133036, 166295, 168400, 266072, 332590, 532144, 665180, 831475, 1330360, 1662950, 2660720, 3325900, 6651800, 13303600]

約数ペア:

[(1, 13303600), (2, 6651800), (4, 3325900), (5, 2660720), (8, 1662950), (10, 1330360), (16, 831475), (20, 665180), (25, 532144), (40, 332590), (50, 266072), (79, 168400), (80, 166295), (100, 133036), (158, 84200), (200, 66518), (316, 42100), (395, 33680), (400, 33259), (421, 31600), (632, 21050), (790, 16840), (842, 15800), (1264, 10525), (1580, 8420), (1684, 7900), (1975, 6736), (2105, 6320), (3160, 4210), (3368, 3950)]