20155827125

素因数分解:

$5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{1949}}^1$

素因数の和:2247

約数の個数: 64

約数和(自身を含む): 29436825600

約数和(自身を除く): 9280998475

約数列:

[1, 5, 7, 25, 35, 53, 125, 175, 223, 265, 371, 875, 1115, 1325, 1561, 1855, 1949, 5575, 6625, 7805, 9275, 9745, 11819, 13643, 27875, 39025, 46375, 48725, 59095, 68215, 82733, 103297, 195125, 243625, 295475, 341075, 413665, 434627, 516485, 723079, 1477375, 1705375, 2068325, 2173135, 2582425, 3042389, 3615395, 10341625, 10865675, 12912125, 15211945, 18076975, 23035231, 54328375, 76059725, 90384875, 115176155, 161246617, 380298625, 575880775, 806233085, 2879403875, 4031165425, 20155827125]

約数ペア:

[(1, 20155827125), (5, 4031165425), (7, 2879403875), (25, 806233085), (35, 575880775), (53, 380298625), (125, 161246617), (175, 115176155), (223, 90384875), (265, 76059725), (371, 54328375), (875, 23035231), (1115, 18076975), (1325, 15211945), (1561, 12912125), (1855, 10865675), (1949, 10341625), (5575, 3615395), (6625, 3042389), (7805, 2582425), (9275, 2173135), (9745, 2068325), (11819, 1705375), (13643, 1477375), (27875, 723079), (39025, 516485), (46375, 434627), (48725, 413665), (59095, 341075), (68215, 295475), (82733, 243625), (103297, 195125)]