2400005120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15121}}^1$

素因数の和:15177

約数の個数: 88

約数和(自身を含む): 5943308928

約数和(自身を除く): 3543303808

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, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 15121, 15872, 19840, 30242, 31744, 39680, 60484, 75605, 79360, 120968, 151210, 158720, 241936, 302420, 468751, 483872, 604840, 937502, 967744, 1209680, 1875004, 1935488, 2343755, 2419360, 3750008, 3870976, 4687510, 4838720, 7500016, 7741952, 9375020, 9677440, 15000032, 15483904, 18750040, 19354880, 30000064, 37500080, 38709760, 60000128, 75000160, 77419520, 120000256, 150000320, 240000512, 300000640, 480001024, 600001280, 1200002560, 2400005120]

約数ペア:

[(1, 2400005120), (2, 1200002560), (4, 600001280), (5, 480001024), (8, 300000640), (10, 240000512), (16, 150000320), (20, 120000256), (31, 77419520), (32, 75000160), (40, 60000128), (62, 38709760), (64, 37500080), (80, 30000064), (124, 19354880), (128, 18750040), (155, 15483904), (160, 15000032), (248, 9677440), (256, 9375020), (310, 7741952), (320, 7500016), (496, 4838720), (512, 4687510), (620, 3870976), (640, 3750008), (992, 2419360), (1024, 2343755), (1240, 1935488), (1280, 1875004), (1984, 1209680), (2480, 967744), (2560, 937502), (3968, 604840), (4960, 483872), (5120, 468751), (7936, 302420), (9920, 241936), (15121, 158720), (15872, 151210), (19840, 120968), (30242, 79360), (31744, 75605), (39680, 60484)]