77480320

素因数分解:

$2^7\times 5^1\times {\mathrm{121063}}^1$

素因数の和:121082

約数の個数: 32

約数和(自身を含む): 185227920

約数和(自身を除く): 107747600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 121063, 242126, 484252, 605315, 968504, 1210630, 1937008, 2421260, 3874016, 4842520, 7748032, 9685040, 15496064, 19370080, 38740160, 77480320]

約数ペア:

[(1, 77480320), (2, 38740160), (4, 19370080), (5, 15496064), (8, 9685040), (10, 7748032), (16, 4842520), (20, 3874016), (32, 2421260), (40, 1937008), (64, 1210630), (80, 968504), (128, 605315), (160, 484252), (320, 242126), (640, 121063)]