79781120

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 192802344

約数和(自身を除く): 113021224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 314, 320, 397, 628, 640, 785, 794, 1256, 1280, 1570, 1588, 1985, 2512, 3140, 3176, 3970, 5024, 6280, 6352, 7940, 10048, 12560, 12704, 15880, 20096, 25120, 25408, 31760, 40192, 50240, 50816, 62329, 63520, 100480, 101632, 124658, 127040, 200960, 249316, 254080, 311645, 498632, 508160, 623290, 997264, 1246580, 1994528, 2493160, 3989056, 4986320, 7978112, 9972640, 15956224, 19945280, 39890560, 79781120]

約数ペア:

[(1, 79781120), (2, 39890560), (4, 19945280), (5, 15956224), (8, 9972640), (10, 7978112), (16, 4986320), (20, 3989056), (32, 2493160), (40, 1994528), (64, 1246580), (80, 997264), (128, 623290), (157, 508160), (160, 498632), (256, 311645), (314, 254080), (320, 249316), (397, 200960), (628, 127040), (640, 124658), (785, 101632), (794, 100480), (1256, 63520), (1280, 62329), (1570, 50816), (1588, 50240), (1985, 40192), (2512, 31760), (3140, 25408), (3176, 25120), (3970, 20096), (5024, 15880), (6280, 12704), (6352, 12560), (7940, 10048)]