9779320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 23133600

約数和(自身を除く): 13354280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 89, 134, 164, 178, 205, 268, 328, 335, 356, 410, 445, 536, 670, 712, 820, 890, 1340, 1640, 1780, 2680, 2747, 3560, 3649, 5494, 5963, 7298, 10988, 11926, 13735, 14596, 18245, 21976, 23852, 27470, 29192, 29815, 36490, 47704, 54940, 59630, 72980, 109880, 119260, 145960, 238520, 244483, 488966, 977932, 1222415, 1955864, 2444830, 4889660, 9779320]

約数ペア:

[(1, 9779320), (2, 4889660), (4, 2444830), (5, 1955864), (8, 1222415), (10, 977932), (20, 488966), (40, 244483), (41, 238520), (67, 145960), (82, 119260), (89, 109880), (134, 72980), (164, 59630), (178, 54940), (205, 47704), (268, 36490), (328, 29815), (335, 29192), (356, 27470), (410, 23852), (445, 21976), (536, 18245), (670, 14596), (712, 13735), (820, 11926), (890, 10988), (1340, 7298), (1640, 5963), (1780, 5494), (2680, 3649), (2747, 3560)]