208574860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{13151}}^1$

素因数の和:13234

約数の個数: 48

約数和(自身を含む): 479469312

約数和(自身を除く): 270894452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 13151, 15860, 26302, 52604, 65755, 131510, 170963, 263020, 341926, 683852, 802211, 854815, 1604422, 1709630, 3208844, 3419260, 4011055, 8022110, 10428743, 16044220, 20857486, 41714972, 52143715, 104287430, 208574860]

約数ペア:

[(1, 208574860), (2, 104287430), (4, 52143715), (5, 41714972), (10, 20857486), (13, 16044220), (20, 10428743), (26, 8022110), (52, 4011055), (61, 3419260), (65, 3208844), (122, 1709630), (130, 1604422), (244, 854815), (260, 802211), (305, 683852), (610, 341926), (793, 263020), (1220, 170963), (1586, 131510), (3172, 65755), (3965, 52604), (7930, 26302), (13151, 15860)]