17520880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1034

約数の個数: 80

約数和(自身を含む): 46497024

約数和(自身を除く): 28976144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 991, 1040, 1105, 1360, 1768, 1982, 2210, 3536, 3964, 4420, 4955, 7928, 8840, 9910, 12883, 15856, 16847, 17680, 19820, 25766, 33694, 39640, 51532, 64415, 67388, 79280, 84235, 103064, 128830, 134776, 168470, 206128, 219011, 257660, 269552, 336940, 438022, 515320, 673880, 876044, 1030640, 1095055, 1347760, 1752088, 2190110, 3504176, 4380220, 8760440, 17520880]

約数ペア:

[(1, 17520880), (2, 8760440), (4, 4380220), (5, 3504176), (8, 2190110), (10, 1752088), (13, 1347760), (16, 1095055), (17, 1030640), (20, 876044), (26, 673880), (34, 515320), (40, 438022), (52, 336940), (65, 269552), (68, 257660), (80, 219011), (85, 206128), (104, 168470), (130, 134776), (136, 128830), (170, 103064), (208, 84235), (221, 79280), (260, 67388), (272, 64415), (340, 51532), (442, 39640), (520, 33694), (680, 25766), (884, 19820), (991, 17680), (1040, 16847), (1105, 15856), (1360, 12883), (1768, 9910), (1982, 8840), (2210, 7928), (3536, 4955), (3964, 4420)]