1380521740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{100183}}^1$

素因数の和:100258

約数の個数: 48

約数和(自身を含む): 3181042368

約数和(自身を除く): 1800520628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 100183, 200366, 400732, 500915, 1001830, 1302379, 2003660, 2604758, 5209516, 5309699, 6511895, 10619398, 13023790, 21238796, 26047580, 26548495, 53096990, 69026087, 106193980, 138052174, 276104348, 345130435, 690260870, 1380521740]

約数ペア:

[(1, 1380521740), (2, 690260870), (4, 345130435), (5, 276104348), (10, 138052174), (13, 106193980), (20, 69026087), (26, 53096990), (52, 26548495), (53, 26047580), (65, 21238796), (106, 13023790), (130, 10619398), (212, 6511895), (260, 5309699), (265, 5209516), (530, 2604758), (689, 2003660), (1060, 1302379), (1378, 1001830), (2756, 500915), (3445, 400732), (6890, 200366), (13780, 100183)]