115969720

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4523}}^1$

素因数の和:5175

約数の個数: 32

約数和(自身を含む): 261396720

約数和(自身を除く): 145427000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 4523, 5128, 6410, 9046, 12820, 18092, 22615, 25640, 36184, 45230, 90460, 180920, 2899243, 5798486, 11596972, 14496215, 23193944, 28992430, 57984860, 115969720]

約数ペア:

[(1, 115969720), (2, 57984860), (4, 28992430), (5, 23193944), (8, 14496215), (10, 11596972), (20, 5798486), (40, 2899243), (641, 180920), (1282, 90460), (2564, 45230), (3205, 36184), (4523, 25640), (5128, 22615), (6410, 18092), (9046, 12820)]