20120040130

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1\times {\mathrm{881}}^1$

素因数の和:1411

約数の個数: 64

約数和(自身を含む): 37436370048

約数和(自身を除く): 17316329918

約数列:

[1, 2, 5, 10, 43, 86, 173, 215, 307, 346, 430, 614, 865, 881, 1535, 1730, 1762, 3070, 4405, 7439, 8810, 13201, 14878, 26402, 37195, 37883, 53111, 66005, 74390, 75766, 106222, 132010, 152413, 189415, 265555, 270467, 304826, 378830, 531110, 540934, 762065, 1352335, 1524130, 2283773, 2704670, 4567546, 6553759, 11418865, 11630081, 13107518, 22837730, 23260162, 32768795, 46790791, 58150405, 65537590, 93581582, 116300810, 233953955, 467907910, 2012004013, 4024008026, 10060020065, 20120040130]

約数ペア:

[(1, 20120040130), (2, 10060020065), (5, 4024008026), (10, 2012004013), (43, 467907910), (86, 233953955), (173, 116300810), (215, 93581582), (307, 65537590), (346, 58150405), (430, 46790791), (614, 32768795), (865, 23260162), (881, 22837730), (1535, 13107518), (1730, 11630081), (1762, 11418865), (3070, 6553759), (4405, 4567546), (7439, 2704670), (8810, 2283773), (13201, 1524130), (14878, 1352335), (26402, 762065), (37195, 540934), (37883, 531110), (53111, 378830), (66005, 304826), (74390, 270467), (75766, 265555), (106222, 189415), (132010, 152413)]