40897420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 88397568

約数和(自身を除く): 47500148

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 284, 332, 347, 355, 415, 694, 710, 830, 1388, 1420, 1660, 1735, 3470, 5893, 6940, 11786, 23572, 24637, 28801, 29465, 49274, 57602, 58930, 98548, 115204, 117860, 123185, 144005, 246370, 288010, 492740, 576020, 2044871, 4089742, 8179484, 10224355, 20448710, 40897420]

約数ペア:

[(1, 40897420), (2, 20448710), (4, 10224355), (5, 8179484), (10, 4089742), (20, 2044871), (71, 576020), (83, 492740), (142, 288010), (166, 246370), (284, 144005), (332, 123185), (347, 117860), (355, 115204), (415, 98548), (694, 58930), (710, 57602), (830, 49274), (1388, 29465), (1420, 28801), (1660, 24637), (1735, 23572), (3470, 11786), (5893, 6940)]