42128720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30977}}^1$

素因数の和:31007

約数の個数: 40

約数和(自身を含む): 103714344

約数和(自身を除く): 61585624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 30977, 61954, 123908, 154885, 247816, 309770, 495632, 526609, 619540, 1053218, 1239080, 2106436, 2478160, 2633045, 4212872, 5266090, 8425744, 10532180, 21064360, 42128720]

約数ペア:

[(1, 42128720), (2, 21064360), (4, 10532180), (5, 8425744), (8, 5266090), (10, 4212872), (16, 2633045), (17, 2478160), (20, 2106436), (34, 1239080), (40, 1053218), (68, 619540), (80, 526609), (85, 495632), (136, 309770), (170, 247816), (272, 154885), (340, 123908), (680, 61954), (1360, 30977)]