161566340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{5701}}^1$

素因数の和:5832

約数の個数: 48

約数和(自身を含む): 368805360

約数和(自身を除く): 207239020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 5701, 7085, 11402, 14170, 22804, 28340, 28505, 57010, 74113, 114020, 148226, 296452, 370565, 621409, 741130, 1242818, 1482260, 2485636, 3107045, 6214090, 8078317, 12428180, 16156634, 32313268, 40391585, 80783170, 161566340]

約数ペア:

[(1, 161566340), (2, 80783170), (4, 40391585), (5, 32313268), (10, 16156634), (13, 12428180), (20, 8078317), (26, 6214090), (52, 3107045), (65, 2485636), (109, 1482260), (130, 1242818), (218, 741130), (260, 621409), (436, 370565), (545, 296452), (1090, 148226), (1417, 114020), (2180, 74113), (2834, 57010), (5668, 28505), (5701, 28340), (7085, 22804), (11402, 14170)]