19575040

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 48160728

約数和(自身を除く): 28585688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 373, 410, 640, 656, 746, 820, 1280, 1312, 1492, 1640, 1865, 2624, 2984, 3280, 3730, 5248, 5968, 6560, 7460, 10496, 11936, 13120, 14920, 15293, 23872, 26240, 29840, 30586, 47744, 52480, 59680, 61172, 76465, 95488, 119360, 122344, 152930, 238720, 244688, 305860, 477440, 489376, 611720, 978752, 1223440, 1957504, 2446880, 3915008, 4893760, 9787520, 19575040]

約数ペア:

[(1, 19575040), (2, 9787520), (4, 4893760), (5, 3915008), (8, 2446880), (10, 1957504), (16, 1223440), (20, 978752), (32, 611720), (40, 489376), (41, 477440), (64, 305860), (80, 244688), (82, 238720), (128, 152930), (160, 122344), (164, 119360), (205, 95488), (256, 76465), (320, 61172), (328, 59680), (373, 52480), (410, 47744), (640, 30586), (656, 29840), (746, 26240), (820, 23872), (1280, 15293), (1312, 14920), (1492, 13120), (1640, 11936), (1865, 10496), (2624, 7460), (2984, 6560), (3280, 5968), (3730, 5248)]