40680680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 96422400

約数和(自身を除く): 55741720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 619, 620, 1060, 1238, 1240, 1643, 2120, 2476, 3095, 3286, 4952, 6190, 6572, 8215, 12380, 13144, 16430, 19189, 24760, 32807, 32860, 38378, 65614, 65720, 76756, 95945, 131228, 153512, 164035, 191890, 262456, 328070, 383780, 656140, 767560, 1017017, 1312280, 2034034, 4068068, 5085085, 8136136, 10170170, 20340340, 40680680]

約数ペア:

[(1, 40680680), (2, 20340340), (4, 10170170), (5, 8136136), (8, 5085085), (10, 4068068), (20, 2034034), (31, 1312280), (40, 1017017), (53, 767560), (62, 656140), (106, 383780), (124, 328070), (155, 262456), (212, 191890), (248, 164035), (265, 153512), (310, 131228), (424, 95945), (530, 76756), (619, 65720), (620, 65614), (1060, 38378), (1238, 32860), (1240, 32807), (1643, 24760), (2120, 19189), (2476, 16430), (3095, 13144), (3286, 12380), (4952, 8215), (6190, 6572)]