26539580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 59122560

約数和(自身を除く): 32582980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 331, 380, 422, 662, 844, 1055, 1324, 1655, 2110, 3310, 4009, 4220, 6289, 6620, 8018, 12578, 16036, 20045, 25156, 31445, 40090, 62890, 69841, 80180, 125780, 139682, 279364, 349205, 698410, 1326979, 1396820, 2653958, 5307916, 6634895, 13269790, 26539580]

約数ペア:

[(1, 26539580), (2, 13269790), (4, 6634895), (5, 5307916), (10, 2653958), (19, 1396820), (20, 1326979), (38, 698410), (76, 349205), (95, 279364), (190, 139682), (211, 125780), (331, 80180), (380, 69841), (422, 62890), (662, 40090), (844, 31445), (1055, 25156), (1324, 20045), (1655, 16036), (2110, 12578), (3310, 8018), (4009, 6620), (4220, 6289)]