31228160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 77312256

約数和(自身を除く): 46084096

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, 787, 992, 1240, 1280, 1574, 1984, 2480, 3148, 3935, 3968, 4960, 6296, 7870, 7936, 9920, 12592, 15740, 19840, 24397, 25184, 31480, 39680, 48794, 50368, 62960, 97588, 100736, 121985, 125920, 195176, 201472, 243970, 251840, 390352, 487940, 503680, 780704, 975880, 1007360, 1561408, 1951760, 3122816, 3903520, 6245632, 7807040, 15614080, 31228160]

約数ペア:

[(1, 31228160), (2, 15614080), (4, 7807040), (5, 6245632), (8, 3903520), (10, 3122816), (16, 1951760), (20, 1561408), (31, 1007360), (32, 975880), (40, 780704), (62, 503680), (64, 487940), (80, 390352), (124, 251840), (128, 243970), (155, 201472), (160, 195176), (248, 125920), (256, 121985), (310, 100736), (320, 97588), (496, 62960), (620, 50368), (640, 48794), (787, 39680), (992, 31480), (1240, 25184), (1280, 24397), (1574, 19840), (1984, 15740), (2480, 12592), (3148, 9920), (3935, 7936), (3968, 7870), (4960, 6296)]