8321300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 20087256

約数和(自身を除く): 11765956

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 173, 185, 260, 325, 346, 370, 481, 650, 692, 740, 865, 925, 962, 1300, 1730, 1850, 1924, 2249, 2405, 3460, 3700, 4325, 4498, 4810, 6401, 8650, 8996, 9620, 11245, 12025, 12802, 17300, 22490, 24050, 25604, 32005, 44980, 48100, 56225, 64010, 83213, 112450, 128020, 160025, 166426, 224900, 320050, 332852, 416065, 640100, 832130, 1664260, 2080325, 4160650, 8321300]

約数ペア:

[(1, 8321300), (2, 4160650), (4, 2080325), (5, 1664260), (10, 832130), (13, 640100), (20, 416065), (25, 332852), (26, 320050), (37, 224900), (50, 166426), (52, 160025), (65, 128020), (74, 112450), (100, 83213), (130, 64010), (148, 56225), (173, 48100), (185, 44980), (260, 32005), (325, 25604), (346, 24050), (370, 22490), (481, 17300), (650, 12802), (692, 12025), (740, 11245), (865, 9620), (925, 8996), (962, 8650), (1300, 6401), (1730, 4810), (1850, 4498), (1924, 4325), (2249, 3700), (2405, 3460)]