51920720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38177}}^1$

素因数の和:38207

約数の個数: 40

約数和(自身を含む): 127819944

約数和(自身を除く): 75899224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 38177, 76354, 152708, 190885, 305416, 381770, 610832, 649009, 763540, 1298018, 1527080, 2596036, 3054160, 3245045, 5192072, 6490090, 10384144, 12980180, 25960360, 51920720]

約数ペア:

[(1, 51920720), (2, 25960360), (4, 12980180), (5, 10384144), (8, 6490090), (10, 5192072), (16, 3245045), (17, 3054160), (20, 2596036), (34, 1527080), (40, 1298018), (68, 763540), (80, 649009), (85, 610832), (136, 381770), (170, 305416), (272, 190885), (340, 152708), (680, 76354), (1360, 38177)]