4156880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 11915904

約数和(自身を除く): 7759024

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 571, 728, 910, 1040, 1142, 1456, 1820, 2284, 2855, 3640, 3997, 4568, 5710, 7280, 7423, 7994, 9136, 11420, 14846, 15988, 19985, 22840, 29692, 31976, 37115, 39970, 45680, 51961, 59384, 63952, 74230, 79940, 103922, 118768, 148460, 159880, 207844, 259805, 296920, 319760, 415688, 519610, 593840, 831376, 1039220, 2078440, 4156880]

約数ペア:

[(1, 4156880), (2, 2078440), (4, 1039220), (5, 831376), (7, 593840), (8, 519610), (10, 415688), (13, 319760), (14, 296920), (16, 259805), (20, 207844), (26, 159880), (28, 148460), (35, 118768), (40, 103922), (52, 79940), (56, 74230), (65, 63952), (70, 59384), (80, 51961), (91, 45680), (104, 39970), (112, 37115), (130, 31976), (140, 29692), (182, 22840), (208, 19985), (260, 15988), (280, 14846), (364, 11420), (455, 9136), (520, 7994), (560, 7423), (571, 7280), (728, 5710), (910, 4568), (1040, 3997), (1142, 3640), (1456, 2855), (1820, 2284)]