38928640

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1789}}^1$

素因数の和:1827

約数の個数: 72

約数和(自身を含む): 98786520

約数和(自身を除く): 59857880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 1789, 2176, 2720, 3578, 4352, 5440, 7156, 8945, 10880, 14312, 17890, 21760, 28624, 30413, 35780, 57248, 60826, 71560, 114496, 121652, 143120, 152065, 228992, 243304, 286240, 304130, 457984, 486608, 572480, 608260, 973216, 1144960, 1216520, 1946432, 2289920, 2433040, 3892864, 4866080, 7785728, 9732160, 19464320, 38928640]

約数ペア:

[(1, 38928640), (2, 19464320), (4, 9732160), (5, 7785728), (8, 4866080), (10, 3892864), (16, 2433040), (17, 2289920), (20, 1946432), (32, 1216520), (34, 1144960), (40, 973216), (64, 608260), (68, 572480), (80, 486608), (85, 457984), (128, 304130), (136, 286240), (160, 243304), (170, 228992), (256, 152065), (272, 143120), (320, 121652), (340, 114496), (544, 71560), (640, 60826), (680, 57248), (1088, 35780), (1280, 30413), (1360, 28624), (1789, 21760), (2176, 17890), (2720, 14312), (3578, 10880), (4352, 8945), (5440, 7156)]