2001920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 88

約数和(自身を含む): 5305824

約数和(自身を除く): 3303904

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 128, 136, 160, 170, 184, 230, 256, 272, 320, 340, 368, 391, 460, 512, 544, 640, 680, 736, 782, 920, 1024, 1088, 1280, 1360, 1472, 1564, 1840, 1955, 2176, 2560, 2720, 2944, 3128, 3680, 3910, 4352, 5120, 5440, 5888, 6256, 7360, 7820, 8704, 10880, 11776, 12512, 14720, 15640, 17408, 21760, 23552, 25024, 29440, 31280, 43520, 50048, 58880, 62560, 87040, 100096, 117760, 125120, 200192, 250240, 400384, 500480, 1000960, 2001920]

約数ペア:

[(1, 2001920), (2, 1000960), (4, 500480), (5, 400384), (8, 250240), (10, 200192), (16, 125120), (17, 117760), (20, 100096), (23, 87040), (32, 62560), (34, 58880), (40, 50048), (46, 43520), (64, 31280), (68, 29440), (80, 25024), (85, 23552), (92, 21760), (115, 17408), (128, 15640), (136, 14720), (160, 12512), (170, 11776), (184, 10880), (230, 8704), (256, 7820), (272, 7360), (320, 6256), (340, 5888), (368, 5440), (391, 5120), (460, 4352), (512, 3910), (544, 3680), (640, 3128), (680, 2944), (736, 2720), (782, 2560), (920, 2176), (1024, 1955), (1088, 1840), (1280, 1564), (1360, 1472)]