12840200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 32736000

約数和(自身を除く): 19895800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 76, 95, 100, 109, 124, 152, 155, 190, 200, 218, 248, 310, 380, 436, 475, 545, 589, 620, 760, 775, 872, 950, 1090, 1178, 1240, 1550, 1900, 2071, 2180, 2356, 2725, 2945, 3100, 3379, 3800, 4142, 4360, 4712, 5450, 5890, 6200, 6758, 8284, 10355, 10900, 11780, 13516, 14725, 16568, 16895, 20710, 21800, 23560, 27032, 29450, 33790, 41420, 51775, 58900, 64201, 67580, 82840, 84475, 103550, 117800, 128402, 135160, 168950, 207100, 256804, 321005, 337900, 414200, 513608, 642010, 675800, 1284020, 1605025, 2568040, 3210050, 6420100, 12840200]

約数ペア:

[(1, 12840200), (2, 6420100), (4, 3210050), (5, 2568040), (8, 1605025), (10, 1284020), (19, 675800), (20, 642010), (25, 513608), (31, 414200), (38, 337900), (40, 321005), (50, 256804), (62, 207100), (76, 168950), (95, 135160), (100, 128402), (109, 117800), (124, 103550), (152, 84475), (155, 82840), (190, 67580), (200, 64201), (218, 58900), (248, 51775), (310, 41420), (380, 33790), (436, 29450), (475, 27032), (545, 23560), (589, 21800), (620, 20710), (760, 16895), (775, 16568), (872, 14725), (950, 13516), (1090, 11780), (1178, 10900), (1240, 10355), (1550, 8284), (1900, 6758), (2071, 6200), (2180, 5890), (2356, 5450), (2725, 4712), (2945, 4360), (3100, 4142), (3379, 3800)]