25415920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 64995840

約数和(自身を除く): 39579920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 727, 760, 874, 920, 1454, 1520, 1748, 1840, 2185, 2908, 3496, 3635, 4370, 5816, 6992, 7270, 8740, 11632, 13813, 14540, 16721, 17480, 27626, 29080, 33442, 34960, 55252, 58160, 66884, 69065, 83605, 110504, 133768, 138130, 167210, 221008, 267536, 276260, 317699, 334420, 552520, 635398, 668840, 1105040, 1270796, 1337680, 1588495, 2541592, 3176990, 5083184, 6353980, 12707960, 25415920]

約数ペア:

[(1, 25415920), (2, 12707960), (4, 6353980), (5, 5083184), (8, 3176990), (10, 2541592), (16, 1588495), (19, 1337680), (20, 1270796), (23, 1105040), (38, 668840), (40, 635398), (46, 552520), (76, 334420), (80, 317699), (92, 276260), (95, 267536), (115, 221008), (152, 167210), (184, 138130), (190, 133768), (230, 110504), (304, 83605), (368, 69065), (380, 66884), (437, 58160), (460, 55252), (727, 34960), (760, 33442), (874, 29080), (920, 27626), (1454, 17480), (1520, 16721), (1748, 14540), (1840, 13813), (2185, 11632), (2908, 8740), (3496, 7270), (3635, 6992), (4370, 5816)]