31732480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1941

約数の個数: 72

約数和(自身を含む): 81898992

約数和(自身を除く): 50166512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 1907, 2080, 3328, 3814, 4160, 7628, 8320, 9535, 15256, 16640, 19070, 24791, 30512, 38140, 49582, 61024, 76280, 99164, 122048, 123955, 152560, 198328, 244096, 247910, 305120, 396656, 488192, 495820, 610240, 793312, 991640, 1220480, 1586624, 1983280, 2440960, 3173248, 3966560, 6346496, 7933120, 15866240, 31732480]

約数ペア:

[(1, 31732480), (2, 15866240), (4, 7933120), (5, 6346496), (8, 3966560), (10, 3173248), (13, 2440960), (16, 1983280), (20, 1586624), (26, 1220480), (32, 991640), (40, 793312), (52, 610240), (64, 495820), (65, 488192), (80, 396656), (104, 305120), (128, 247910), (130, 244096), (160, 198328), (208, 152560), (256, 123955), (260, 122048), (320, 99164), (416, 76280), (520, 61024), (640, 49582), (832, 38140), (1040, 30512), (1280, 24791), (1664, 19070), (1907, 16640), (2080, 15256), (3328, 9535), (3814, 8320), (4160, 7628)]