159235840

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4013}}^1$

素因数の和:4065

約数の個数: 72

約数和(自身を含む): 393821568

約数和(自身を除く): 234585728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4013, 4960, 7936, 8026, 9920, 16052, 19840, 20065, 32104, 39680, 40130, 64208, 80260, 124403, 128416, 160520, 248806, 256832, 321040, 497612, 513664, 622015, 642080, 995224, 1027328, 1244030, 1284160, 1990448, 2488060, 2568320, 3980896, 4976120, 5136640, 7961792, 9952240, 15923584, 19904480, 31847168, 39808960, 79617920, 159235840]

約数ペア:

[(1, 159235840), (2, 79617920), (4, 39808960), (5, 31847168), (8, 19904480), (10, 15923584), (16, 9952240), (20, 7961792), (31, 5136640), (32, 4976120), (40, 3980896), (62, 2568320), (64, 2488060), (80, 1990448), (124, 1284160), (128, 1244030), (155, 1027328), (160, 995224), (248, 642080), (256, 622015), (310, 513664), (320, 497612), (496, 321040), (620, 256832), (640, 248806), (992, 160520), (1240, 128416), (1280, 124403), (1984, 80260), (2480, 64208), (3968, 40130), (4013, 39680), (4960, 32104), (7936, 20065), (8026, 19840), (9920, 16052)]