8104340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 17917200

約数和(自身を除く): 9812860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 157, 178, 290, 314, 356, 445, 580, 628, 785, 890, 1570, 1780, 2581, 3140, 4553, 5162, 9106, 10324, 12905, 13973, 18212, 22765, 25810, 27946, 45530, 51620, 55892, 69865, 91060, 139730, 279460, 405217, 810434, 1620868, 2026085, 4052170, 8104340]

約数ペア:

[(1, 8104340), (2, 4052170), (4, 2026085), (5, 1620868), (10, 810434), (20, 405217), (29, 279460), (58, 139730), (89, 91060), (116, 69865), (145, 55892), (157, 51620), (178, 45530), (290, 27946), (314, 25810), (356, 22765), (445, 18212), (580, 13973), (628, 12905), (785, 10324), (890, 9106), (1570, 5162), (1780, 4553), (2581, 3140)]