80209220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44071}}^1$

素因数の和:44100

約数の個数: 48

約数和(自身を含む): 207314688

約数和(自身を除く): 127105468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 44071, 88142, 176284, 220355, 308497, 440710, 572923, 616994, 881420, 1145846, 1233988, 1542485, 2291692, 2864615, 3084970, 4010461, 5729230, 6169940, 8020922, 11458460, 16041844, 20052305, 40104610, 80209220]

約数ペア:

[(1, 80209220), (2, 40104610), (4, 20052305), (5, 16041844), (7, 11458460), (10, 8020922), (13, 6169940), (14, 5729230), (20, 4010461), (26, 3084970), (28, 2864615), (35, 2291692), (52, 1542485), (65, 1233988), (70, 1145846), (91, 881420), (130, 616994), (140, 572923), (182, 440710), (260, 308497), (364, 220355), (455, 176284), (910, 88142), (1820, 44071)]