15696401660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{98213}}^1$

素因数の和:98414

約数の個数: 48

約数和(自身を含む): 33758901792

約数和(自身を除く): 18062500132

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 131, 244, 262, 305, 524, 610, 655, 1220, 1310, 2620, 7991, 15982, 31964, 39955, 79910, 98213, 159820, 196426, 392852, 491065, 982130, 1964260, 5990993, 11981986, 12865903, 23963972, 25731806, 29954965, 51463612, 59909930, 64329515, 119819860, 128659030, 257318060, 784820083, 1569640166, 3139280332, 3924100415, 7848200830, 15696401660]

約数ペア:

[(1, 15696401660), (2, 7848200830), (4, 3924100415), (5, 3139280332), (10, 1569640166), (20, 784820083), (61, 257318060), (122, 128659030), (131, 119819860), (244, 64329515), (262, 59909930), (305, 51463612), (524, 29954965), (610, 25731806), (655, 23963972), (1220, 12865903), (1310, 11981986), (2620, 5990993), (7991, 1964260), (15982, 982130), (31964, 491065), (39955, 392852), (79910, 196426), (98213, 159820)]