31764280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 74844000

約数和(自身を除く): 43079720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 139, 145, 197, 232, 278, 290, 394, 556, 580, 695, 788, 985, 1112, 1160, 1390, 1576, 1970, 2780, 3940, 4031, 5560, 5713, 7880, 8062, 11426, 16124, 20155, 22852, 27383, 28565, 32248, 40310, 45704, 54766, 57130, 80620, 109532, 114260, 136915, 161240, 219064, 228520, 273830, 547660, 794107, 1095320, 1588214, 3176428, 3970535, 6352856, 7941070, 15882140, 31764280]

約数ペア:

[(1, 31764280), (2, 15882140), (4, 7941070), (5, 6352856), (8, 3970535), (10, 3176428), (20, 1588214), (29, 1095320), (40, 794107), (58, 547660), (116, 273830), (139, 228520), (145, 219064), (197, 161240), (232, 136915), (278, 114260), (290, 109532), (394, 80620), (556, 57130), (580, 54766), (695, 45704), (788, 40310), (985, 32248), (1112, 28565), (1160, 27383), (1390, 22852), (1576, 20155), (1970, 16124), (2780, 11426), (3940, 8062), (4031, 7880), (5560, 5713)]