828753040

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 1953879408

約数和(自身を除く): 1125126368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 233, 257, 346, 466, 514, 692, 865, 932, 1028, 1165, 1285, 1384, 1730, 1864, 2056, 2330, 2570, 2768, 3460, 3728, 4112, 4660, 5140, 6920, 9320, 10280, 13840, 18640, 20560, 40309, 44461, 59881, 80618, 88922, 119762, 161236, 177844, 201545, 222305, 239524, 299405, 322472, 355688, 403090, 444610, 479048, 598810, 644944, 711376, 806180, 889220, 958096, 1197620, 1612360, 1778440, 2395240, 3224720, 3556880, 4790480, 10359413, 20718826, 41437652, 51797065, 82875304, 103594130, 165750608, 207188260, 414376520, 828753040]

約数ペア:

[(1, 828753040), (2, 414376520), (4, 207188260), (5, 165750608), (8, 103594130), (10, 82875304), (16, 51797065), (20, 41437652), (40, 20718826), (80, 10359413), (173, 4790480), (233, 3556880), (257, 3224720), (346, 2395240), (466, 1778440), (514, 1612360), (692, 1197620), (865, 958096), (932, 889220), (1028, 806180), (1165, 711376), (1285, 644944), (1384, 598810), (1730, 479048), (1864, 444610), (2056, 403090), (2330, 355688), (2570, 322472), (2768, 299405), (3460, 239524), (3728, 222305), (4112, 201545), (4660, 177844), (5140, 161236), (6920, 119762), (9320, 88922), (10280, 80618), (13840, 59881), (18640, 44461), (20560, 40309)]