13371520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1265

約数の個数: 64

約数和(自身を含む): 33874200

約数和(自身を除く): 20502680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1229, 1360, 2176, 2458, 2720, 4916, 5440, 6145, 9832, 10880, 12290, 19664, 20893, 24580, 39328, 41786, 49160, 78656, 83572, 98320, 104465, 157312, 167144, 196640, 208930, 334288, 393280, 417860, 668576, 786560, 835720, 1337152, 1671440, 2674304, 3342880, 6685760, 13371520]

約数ペア:

[(1, 13371520), (2, 6685760), (4, 3342880), (5, 2674304), (8, 1671440), (10, 1337152), (16, 835720), (17, 786560), (20, 668576), (32, 417860), (34, 393280), (40, 334288), (64, 208930), (68, 196640), (80, 167144), (85, 157312), (128, 104465), (136, 98320), (160, 83572), (170, 78656), (272, 49160), (320, 41786), (340, 39328), (544, 24580), (640, 20893), (680, 19664), (1088, 12290), (1229, 10880), (1360, 9832), (2176, 6145), (2458, 5440), (2720, 4916)]