64564220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20051}}^1$

素因数の和:20090

約数の個数: 48

約数和(自身を含む): 161699328

約数和(自身を除く): 97135108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20051, 40102, 80204, 100255, 140357, 200510, 280714, 401020, 461173, 561428, 701785, 922346, 1403570, 1844692, 2305865, 2807140, 3228211, 4611730, 6456422, 9223460, 12912844, 16141055, 32282110, 64564220]

約数ペア:

[(1, 64564220), (2, 32282110), (4, 16141055), (5, 12912844), (7, 9223460), (10, 6456422), (14, 4611730), (20, 3228211), (23, 2807140), (28, 2305865), (35, 1844692), (46, 1403570), (70, 922346), (92, 701785), (115, 561428), (140, 461173), (161, 401020), (230, 280714), (322, 200510), (460, 140357), (644, 100255), (805, 80204), (1610, 40102), (3220, 20051)]