254285440

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4787}}^1$

素因数の和:4889

約数の個数: 64

約数和(自身を含む): 615353760

約数和(自身を除く): 361068320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1328, 1660, 2656, 3320, 4787, 5312, 6640, 9574, 10624, 13280, 19148, 23935, 26560, 38296, 47870, 53120, 76592, 95740, 153184, 191480, 306368, 382960, 397321, 612736, 765920, 794642, 1531840, 1589284, 1986605, 3063680, 3178568, 3973210, 6357136, 7946420, 12714272, 15892840, 25428544, 31785680, 50857088, 63571360, 127142720, 254285440]

約数ペア:

[(1, 254285440), (2, 127142720), (4, 63571360), (5, 50857088), (8, 31785680), (10, 25428544), (16, 15892840), (20, 12714272), (32, 7946420), (40, 6357136), (64, 3973210), (80, 3178568), (83, 3063680), (128, 1986605), (160, 1589284), (166, 1531840), (320, 794642), (332, 765920), (415, 612736), (640, 397321), (664, 382960), (830, 306368), (1328, 191480), (1660, 153184), (2656, 95740), (3320, 76592), (4787, 53120), (5312, 47870), (6640, 38296), (9574, 26560), (10624, 23935), (13280, 19148)]