158678780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{9109}}^1$

素因数の和:9198

約数の個数: 48

約数和(自身を含む): 364254240

約数和(自身を除く): 205575460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 9109, 17420, 18218, 36436, 45545, 91090, 118417, 182180, 236834, 473668, 592085, 610303, 1184170, 1220606, 2368340, 2441212, 3051515, 6103030, 7933939, 12206060, 15867878, 31735756, 39669695, 79339390, 158678780]

約数ペア:

[(1, 158678780), (2, 79339390), (4, 39669695), (5, 31735756), (10, 15867878), (13, 12206060), (20, 7933939), (26, 6103030), (52, 3051515), (65, 2441212), (67, 2368340), (130, 1220606), (134, 1184170), (260, 610303), (268, 592085), (335, 473668), (670, 236834), (871, 182180), (1340, 118417), (1742, 91090), (3484, 45545), (4355, 36436), (8710, 18218), (9109, 17420)]