2013457420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{21101}}^1$

素因数の和:21490

約数の個数: 48

約数和(自身を含む): 4566135168

約数和(自身を除く): 2552677748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 367, 734, 1468, 1835, 3670, 4771, 7340, 9542, 19084, 21101, 23855, 42202, 47710, 84404, 95420, 105505, 211010, 274313, 422020, 548626, 1097252, 1371565, 2743130, 5486260, 7744067, 15488134, 30976268, 38720335, 77440670, 100672871, 154881340, 201345742, 402691484, 503364355, 1006728710, 2013457420]

約数ペア:

[(1, 2013457420), (2, 1006728710), (4, 503364355), (5, 402691484), (10, 201345742), (13, 154881340), (20, 100672871), (26, 77440670), (52, 38720335), (65, 30976268), (130, 15488134), (260, 7744067), (367, 5486260), (734, 2743130), (1468, 1371565), (1835, 1097252), (3670, 548626), (4771, 422020), (7340, 274313), (9542, 211010), (19084, 105505), (21101, 95420), (23855, 84404), (42202, 47710)]