42071320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 100504800

約数和(自身を除く): 58433480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 281, 380, 394, 562, 760, 788, 985, 1124, 1405, 1576, 1970, 2248, 2810, 3743, 3940, 5339, 5620, 7486, 7880, 10678, 11240, 14972, 18715, 21356, 26695, 29944, 37430, 42712, 53390, 55357, 74860, 106780, 110714, 149720, 213560, 221428, 276785, 442856, 553570, 1051783, 1107140, 2103566, 2214280, 4207132, 5258915, 8414264, 10517830, 21035660, 42071320]

約数ペア:

[(1, 42071320), (2, 21035660), (4, 10517830), (5, 8414264), (8, 5258915), (10, 4207132), (19, 2214280), (20, 2103566), (38, 1107140), (40, 1051783), (76, 553570), (95, 442856), (152, 276785), (190, 221428), (197, 213560), (281, 149720), (380, 110714), (394, 106780), (562, 74860), (760, 55357), (788, 53390), (985, 42712), (1124, 37430), (1405, 29944), (1576, 26695), (1970, 21356), (2248, 18715), (2810, 14972), (3743, 11240), (3940, 10678), (5339, 7880), (5620, 7486)]