42977720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 100958400

約数和(自身を除く): 57980680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 409, 568, 710, 740, 818, 1420, 1480, 1636, 2045, 2627, 2840, 3272, 4090, 5254, 8180, 10508, 13135, 15133, 16360, 21016, 26270, 29039, 30266, 52540, 58078, 60532, 75665, 105080, 116156, 121064, 145195, 151330, 232312, 290390, 302660, 580780, 605320, 1074443, 1161560, 2148886, 4297772, 5372215, 8595544, 10744430, 21488860, 42977720]

約数ペア:

[(1, 42977720), (2, 21488860), (4, 10744430), (5, 8595544), (8, 5372215), (10, 4297772), (20, 2148886), (37, 1161560), (40, 1074443), (71, 605320), (74, 580780), (142, 302660), (148, 290390), (185, 232312), (284, 151330), (296, 145195), (355, 121064), (370, 116156), (409, 105080), (568, 75665), (710, 60532), (740, 58078), (818, 52540), (1420, 30266), (1480, 29039), (1636, 26270), (2045, 21016), (2627, 16360), (2840, 15133), (3272, 13135), (4090, 10508), (5254, 8180)]