31639040

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:767

約数の個数: 80

約数和(自身を含む): 80432352

約数和(自身を除く): 48793312

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, 512, 544, 640, 680, 727, 1088, 1280, 1360, 1454, 2176, 2560, 2720, 2908, 3635, 4352, 5440, 5816, 7270, 8704, 10880, 11632, 12359, 14540, 21760, 23264, 24718, 29080, 43520, 46528, 49436, 58160, 61795, 93056, 98872, 116320, 123590, 186112, 197744, 232640, 247180, 372224, 395488, 465280, 494360, 790976, 930560, 988720, 1581952, 1861120, 1977440, 3163904, 3954880, 6327808, 7909760, 15819520, 31639040]

約数ペア:

[(1, 31639040), (2, 15819520), (4, 7909760), (5, 6327808), (8, 3954880), (10, 3163904), (16, 1977440), (17, 1861120), (20, 1581952), (32, 988720), (34, 930560), (40, 790976), (64, 494360), (68, 465280), (80, 395488), (85, 372224), (128, 247180), (136, 232640), (160, 197744), (170, 186112), (256, 123590), (272, 116320), (320, 98872), (340, 93056), (512, 61795), (544, 58160), (640, 49436), (680, 46528), (727, 43520), (1088, 29080), (1280, 24718), (1360, 23264), (1454, 21760), (2176, 14540), (2560, 12359), (2720, 11632), (2908, 10880), (3635, 8704), (4352, 7270), (5440, 5816)]