48871420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 117134640

約数和(自身を除く): 68263220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 761, 845, 988, 1235, 1522, 1690, 2470, 3044, 3211, 3380, 3805, 4940, 6422, 7610, 9893, 12844, 14459, 15220, 16055, 19786, 28918, 32110, 39572, 49465, 57836, 64220, 72295, 98930, 128609, 144590, 187967, 197860, 257218, 289180, 375934, 514436, 643045, 751868, 939835, 1286090, 1879670, 2443571, 2572180, 3759340, 4887142, 9774284, 12217855, 24435710, 48871420]

約数ペア:

[(1, 48871420), (2, 24435710), (4, 12217855), (5, 9774284), (10, 4887142), (13, 3759340), (19, 2572180), (20, 2443571), (26, 1879670), (38, 1286090), (52, 939835), (65, 751868), (76, 643045), (95, 514436), (130, 375934), (169, 289180), (190, 257218), (247, 197860), (260, 187967), (338, 144590), (380, 128609), (494, 98930), (676, 72295), (761, 64220), (845, 57836), (988, 49465), (1235, 39572), (1522, 32110), (1690, 28918), (2470, 19786), (3044, 16055), (3211, 15220), (3380, 14459), (3805, 12844), (4940, 9893), (6422, 7610)]