64563040

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1489}}^1$

素因数の和:1775

約数の個数: 48

約数和(自身を含む): 153195840

約数和(自身を除く): 88632800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 1489, 2168, 2710, 2978, 4336, 5420, 5956, 7445, 8672, 10840, 11912, 14890, 21680, 23824, 29780, 43360, 47648, 59560, 119120, 238240, 403519, 807038, 1614076, 2017595, 3228152, 4035190, 6456304, 8070380, 12912608, 16140760, 32281520, 64563040]

約数ペア:

[(1, 64563040), (2, 32281520), (4, 16140760), (5, 12912608), (8, 8070380), (10, 6456304), (16, 4035190), (20, 3228152), (32, 2017595), (40, 1614076), (80, 807038), (160, 403519), (271, 238240), (542, 119120), (1084, 59560), (1355, 47648), (1489, 43360), (2168, 29780), (2710, 23824), (2978, 21680), (4336, 14890), (5420, 11912), (5956, 10840), (7445, 8672)]