880761520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139361}}^1$

素因数の和:139453

約数の個数: 40

約数和(自身を含む): 2073706560

約数和(自身を除く): 1192945040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 139361, 278722, 557444, 696805, 1114888, 1393610, 2229776, 2787220, 5574440, 11009519, 11148880, 22019038, 44038076, 55047595, 88076152, 110095190, 176152304, 220190380, 440380760, 880761520]

約数ペア:

[(1, 880761520), (2, 440380760), (4, 220190380), (5, 176152304), (8, 110095190), (10, 88076152), (16, 55047595), (20, 44038076), (40, 22019038), (79, 11148880), (80, 11009519), (158, 5574440), (316, 2787220), (395, 2229776), (632, 1393610), (790, 1114888), (1264, 696805), (1580, 557444), (3160, 278722), (6320, 139361)]