40521700

素因数分解:

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

素因数の和:289

約数の個数: 72

約数和(自身を含む): 92572200

約数和(自身を除く): 52050500

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 89, 100, 116, 145, 157, 178, 290, 314, 356, 445, 580, 628, 725, 785, 890, 1450, 1570, 1780, 2225, 2581, 2900, 3140, 3925, 4450, 4553, 5162, 7850, 8900, 9106, 10324, 12905, 13973, 15700, 18212, 22765, 25810, 27946, 45530, 51620, 55892, 64525, 69865, 91060, 113825, 129050, 139730, 227650, 258100, 279460, 349325, 405217, 455300, 698650, 810434, 1397300, 1620868, 2026085, 4052170, 8104340, 10130425, 20260850, 40521700]

約数ペア:

[(1, 40521700), (2, 20260850), (4, 10130425), (5, 8104340), (10, 4052170), (20, 2026085), (25, 1620868), (29, 1397300), (50, 810434), (58, 698650), (89, 455300), (100, 405217), (116, 349325), (145, 279460), (157, 258100), (178, 227650), (290, 139730), (314, 129050), (356, 113825), (445, 91060), (580, 69865), (628, 64525), (725, 55892), (785, 51620), (890, 45530), (1450, 27946), (1570, 25810), (1780, 22765), (2225, 18212), (2581, 15700), (2900, 13973), (3140, 12905), (3925, 10324), (4450, 9106), (4553, 8900), (5162, 7850)]