25478480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 63103104

約数和(自身を除く): 37624624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 61, 80, 92, 115, 122, 184, 227, 230, 244, 305, 368, 454, 460, 488, 610, 908, 920, 976, 1135, 1220, 1403, 1816, 1840, 2270, 2440, 2806, 3632, 4540, 4880, 5221, 5612, 7015, 9080, 10442, 11224, 13847, 14030, 18160, 20884, 22448, 26105, 27694, 28060, 41768, 52210, 55388, 56120, 69235, 83536, 104420, 110776, 112240, 138470, 208840, 221552, 276940, 318481, 417680, 553880, 636962, 1107760, 1273924, 1592405, 2547848, 3184810, 5095696, 6369620, 12739240, 25478480]

約数ペア:

[(1, 25478480), (2, 12739240), (4, 6369620), (5, 5095696), (8, 3184810), (10, 2547848), (16, 1592405), (20, 1273924), (23, 1107760), (40, 636962), (46, 553880), (61, 417680), (80, 318481), (92, 276940), (115, 221552), (122, 208840), (184, 138470), (227, 112240), (230, 110776), (244, 104420), (305, 83536), (368, 69235), (454, 56120), (460, 55388), (488, 52210), (610, 41768), (908, 28060), (920, 27694), (976, 26105), (1135, 22448), (1220, 20884), (1403, 18160), (1816, 14030), (1840, 13847), (2270, 11224), (2440, 10442), (2806, 9080), (3632, 7015), (4540, 5612), (4880, 5221)]