419030320

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{26321}}^1$

素因数の和:26533

約数の個数: 40

約数和(自身を含む): 979178400

約数和(自身を除く): 560148080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 26321, 52642, 105284, 131605, 210568, 263210, 421136, 526420, 1052840, 2105680, 5237879, 10475758, 20951516, 26189395, 41903032, 52378790, 83806064, 104757580, 209515160, 419030320]

約数ペア:

[(1, 419030320), (2, 209515160), (4, 104757580), (5, 83806064), (8, 52378790), (10, 41903032), (16, 26189395), (20, 20951516), (40, 10475758), (80, 5237879), (199, 2105680), (398, 1052840), (796, 526420), (995, 421136), (1592, 263210), (1990, 210568), (3184, 131605), (3980, 105284), (7960, 52642), (15920, 26321)]