38920960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2339}}^1$

素因数の和:2373

約数の個数: 72

約数和(自身を含む): 100442160

約数和(自身を除く): 61521200

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, 2080, 2339, 3328, 4160, 4678, 8320, 9356, 11695, 16640, 18712, 23390, 30407, 37424, 46780, 60814, 74848, 93560, 121628, 149696, 152035, 187120, 243256, 299392, 304070, 374240, 486512, 598784, 608140, 748480, 973024, 1216280, 1496960, 1946048, 2432560, 2993920, 3892096, 4865120, 7784192, 9730240, 19460480, 38920960]

約数ペア:

[(1, 38920960), (2, 19460480), (4, 9730240), (5, 7784192), (8, 4865120), (10, 3892096), (13, 2993920), (16, 2432560), (20, 1946048), (26, 1496960), (32, 1216280), (40, 973024), (52, 748480), (64, 608140), (65, 598784), (80, 486512), (104, 374240), (128, 304070), (130, 299392), (160, 243256), (208, 187120), (256, 152035), (260, 149696), (320, 121628), (416, 93560), (520, 74848), (640, 60814), (832, 46780), (1040, 37424), (1280, 30407), (1664, 23390), (2080, 18712), (2339, 16640), (3328, 11695), (4160, 9356), (4678, 8320)]