215088380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2063}}^1$

素因数の和:2486

約数の個数: 48

約数和(自身を含む): 487880064

約数和(自身を除く): 272791684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 401, 802, 1604, 2005, 2063, 4010, 4126, 5213, 8020, 8252, 10315, 10426, 20630, 20852, 26065, 26819, 41260, 52130, 53638, 104260, 107276, 134095, 268190, 536380, 827263, 1654526, 3309052, 4136315, 8272630, 10754419, 16545260, 21508838, 43017676, 53772095, 107544190, 215088380]

約数ペア:

[(1, 215088380), (2, 107544190), (4, 53772095), (5, 43017676), (10, 21508838), (13, 16545260), (20, 10754419), (26, 8272630), (52, 4136315), (65, 3309052), (130, 1654526), (260, 827263), (401, 536380), (802, 268190), (1604, 134095), (2005, 107276), (2063, 104260), (4010, 53638), (4126, 52130), (5213, 41260), (8020, 26819), (8252, 26065), (10315, 20852), (10426, 20630)]