16430440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1706

約数の個数: 64

約数和(自身を含む): 41932800

約数和(自身を除く): 25502360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1663, 1976, 2470, 3326, 4940, 6652, 8315, 9880, 13304, 16630, 21619, 31597, 33260, 43238, 63194, 66520, 86476, 108095, 126388, 157985, 172952, 216190, 252776, 315970, 410761, 432380, 631940, 821522, 864760, 1263880, 1643044, 2053805, 3286088, 4107610, 8215220, 16430440]

約数ペア:

[(1, 16430440), (2, 8215220), (4, 4107610), (5, 3286088), (8, 2053805), (10, 1643044), (13, 1263880), (19, 864760), (20, 821522), (26, 631940), (38, 432380), (40, 410761), (52, 315970), (65, 252776), (76, 216190), (95, 172952), (104, 157985), (130, 126388), (152, 108095), (190, 86476), (247, 66520), (260, 63194), (380, 43238), (494, 33260), (520, 31597), (760, 21619), (988, 16630), (1235, 13304), (1663, 9880), (1976, 8315), (2470, 6652), (3326, 4940)]