73278280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11239}}^1$

素因数の和:11413

約数の個数: 32

約数和(自身を含む): 165902400

約数和(自身を除く): 92624120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 11239, 22478, 44956, 56195, 89912, 112390, 224780, 449560, 1831957, 3663914, 7327828, 9159785, 14655656, 18319570, 36639140, 73278280]

約数ペア:

[(1, 73278280), (2, 36639140), (4, 18319570), (5, 14655656), (8, 9159785), (10, 7327828), (20, 3663914), (40, 1831957), (163, 449560), (326, 224780), (652, 112390), (815, 89912), (1304, 56195), (1630, 44956), (3260, 22478), (6520, 11239)]