25342720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1523}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 65416176

約数和(自身を除く): 40073456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1523, 1664, 2080, 3046, 3328, 4160, 6092, 7615, 8320, 12184, 15230, 16640, 19799, 24368, 30460, 39598, 48736, 60920, 79196, 97472, 98995, 121840, 158392, 194944, 197990, 243680, 316784, 389888, 395980, 487360, 633568, 791960, 974720, 1267136, 1583920, 1949440, 2534272, 3167840, 5068544, 6335680, 12671360, 25342720]

約数ペア:

[(1, 25342720), (2, 12671360), (4, 6335680), (5, 5068544), (8, 3167840), (10, 2534272), (13, 1949440), (16, 1583920), (20, 1267136), (26, 974720), (32, 791960), (40, 633568), (52, 487360), (64, 395980), (65, 389888), (80, 316784), (104, 243680), (128, 197990), (130, 194944), (160, 158392), (208, 121840), (256, 98995), (260, 97472), (320, 79196), (416, 60920), (520, 48736), (640, 39598), (832, 30460), (1040, 24368), (1280, 19799), (1523, 16640), (1664, 15230), (2080, 12184), (3046, 8320), (3328, 7615), (4160, 6092)]