13263140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 32260032

約数和(自身を除く): 18996892

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 167, 190, 209, 220, 334, 361, 380, 418, 668, 722, 835, 836, 1045, 1444, 1670, 1805, 1837, 2090, 3173, 3340, 3610, 3674, 3971, 4180, 6346, 7220, 7348, 7942, 9185, 12692, 15865, 15884, 18370, 19855, 31730, 34903, 36740, 39710, 60287, 63460, 69806, 79420, 120574, 139612, 174515, 241148, 301435, 349030, 602870, 663157, 698060, 1205740, 1326314, 2652628, 3315785, 6631570, 13263140]

約数ペア:

[(1, 13263140), (2, 6631570), (4, 3315785), (5, 2652628), (10, 1326314), (11, 1205740), (19, 698060), (20, 663157), (22, 602870), (38, 349030), (44, 301435), (55, 241148), (76, 174515), (95, 139612), (110, 120574), (167, 79420), (190, 69806), (209, 63460), (220, 60287), (334, 39710), (361, 36740), (380, 34903), (418, 31730), (668, 19855), (722, 18370), (835, 15884), (836, 15865), (1045, 12692), (1444, 9185), (1670, 7942), (1805, 7348), (1837, 7220), (2090, 6346), (3173, 4180), (3340, 3971), (3610, 3674)]