64711084640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21286541}}^1$

素因数の和:21286575

約数の個数: 48

約数和(自身を含む): 160926257520

約数和(自身を除く): 96215172880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 21286541, 42573082, 85146164, 106432705, 170292328, 212865410, 340584656, 404444279, 425730820, 681169312, 808888558, 851461640, 1617777116, 1702923280, 2022221395, 3235554232, 3405846560, 4044442790, 6471108464, 8088885580, 12942216928, 16177771160, 32355542320, 64711084640]

約数ペア:

[(1, 64711084640), (2, 32355542320), (4, 16177771160), (5, 12942216928), (8, 8088885580), (10, 6471108464), (16, 4044442790), (19, 3405846560), (20, 3235554232), (32, 2022221395), (38, 1702923280), (40, 1617777116), (76, 851461640), (80, 808888558), (95, 681169312), (152, 425730820), (160, 404444279), (190, 340584656), (304, 212865410), (380, 170292328), (608, 106432705), (760, 85146164), (1520, 42573082), (3040, 21286541)]