7805720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 20049120

約数和(自身を除く): 12243400

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 883, 884, 1105, 1766, 1768, 2210, 3532, 4415, 4420, 7064, 8830, 8840, 11479, 15011, 17660, 22958, 30022, 35320, 45916, 57395, 60044, 75055, 91832, 114790, 120088, 150110, 195143, 229580, 300220, 390286, 459160, 600440, 780572, 975715, 1561144, 1951430, 3902860, 7805720]

約数ペア:

[(1, 7805720), (2, 3902860), (4, 1951430), (5, 1561144), (8, 975715), (10, 780572), (13, 600440), (17, 459160), (20, 390286), (26, 300220), (34, 229580), (40, 195143), (52, 150110), (65, 120088), (68, 114790), (85, 91832), (104, 75055), (130, 60044), (136, 57395), (170, 45916), (221, 35320), (260, 30022), (340, 22958), (442, 17660), (520, 15011), (680, 11479), (883, 8840), (884, 8830), (1105, 7064), (1766, 4420), (1768, 4415), (2210, 3532)]