80920900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 185238144

約数和(自身を除く): 104317244

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 151, 230, 233, 302, 460, 466, 575, 604, 755, 932, 1150, 1165, 1510, 2300, 2330, 3020, 3473, 3775, 4660, 5359, 5825, 6946, 7550, 10718, 11650, 13892, 15100, 17365, 21436, 23300, 26795, 34730, 35183, 53590, 69460, 70366, 86825, 107180, 133975, 140732, 173650, 175915, 267950, 347300, 351830, 535900, 703660, 809209, 879575, 1618418, 1759150, 3236836, 3518300, 4046045, 8092090, 16184180, 20230225, 40460450, 80920900]

約数ペア:

[(1, 80920900), (2, 40460450), (4, 20230225), (5, 16184180), (10, 8092090), (20, 4046045), (23, 3518300), (25, 3236836), (46, 1759150), (50, 1618418), (92, 879575), (100, 809209), (115, 703660), (151, 535900), (230, 351830), (233, 347300), (302, 267950), (460, 175915), (466, 173650), (575, 140732), (604, 133975), (755, 107180), (932, 86825), (1150, 70366), (1165, 69460), (1510, 53590), (2300, 35183), (2330, 34730), (3020, 26795), (3473, 23300), (3775, 21436), (4660, 17365), (5359, 15100), (5825, 13892), (6946, 11650), (7550, 10718)]