80799680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19423}}^1$

素因数の和:19453

約数の個数: 56

約数和(自身を含む): 207215232

約数和(自身を除く): 126415552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 19423, 38846, 77692, 97115, 155384, 194230, 252499, 310768, 388460, 504998, 621536, 776920, 1009996, 1243072, 1262495, 1553840, 2019992, 2524990, 3107680, 4039984, 5049980, 6215360, 8079968, 10099960, 16159936, 20199920, 40399840, 80799680]

約数ペア:

[(1, 80799680), (2, 40399840), (4, 20199920), (5, 16159936), (8, 10099960), (10, 8079968), (13, 6215360), (16, 5049980), (20, 4039984), (26, 3107680), (32, 2524990), (40, 2019992), (52, 1553840), (64, 1262495), (65, 1243072), (80, 1009996), (104, 776920), (130, 621536), (160, 504998), (208, 388460), (260, 310768), (320, 252499), (416, 194230), (520, 155384), (832, 97115), (1040, 77692), (2080, 38846), (4160, 19423)]