21551149040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2593}}^1\times {\mathrm{4517}}^1$

素因数の和:7146

約数の個数: 80

約数和(自身を含む): 52316705088

約数和(自身を除く): 30765556048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 2593, 4517, 5186, 9034, 10372, 12965, 18068, 20744, 22585, 25930, 36136, 41488, 45170, 51860, 59639, 72272, 90340, 103720, 103891, 119278, 180680, 207440, 207782, 238556, 298195, 361360, 415564, 477112, 519455, 596390, 831128, 954224, 1038910, 1192780, 1662256, 2077820, 2385560, 4155640, 4771120, 8311280, 11712581, 23425162, 46850324, 58562905, 93700648, 117125810, 187401296, 234251620, 269389363, 468503240, 538778726, 937006480, 1077557452, 1346946815, 2155114904, 2693893630, 4310229808, 5387787260, 10775574520, 21551149040]

約数ペア:

[(1, 21551149040), (2, 10775574520), (4, 5387787260), (5, 4310229808), (8, 2693893630), (10, 2155114904), (16, 1346946815), (20, 1077557452), (23, 937006480), (40, 538778726), (46, 468503240), (80, 269389363), (92, 234251620), (115, 187401296), (184, 117125810), (230, 93700648), (368, 58562905), (460, 46850324), (920, 23425162), (1840, 11712581), (2593, 8311280), (4517, 4771120), (5186, 4155640), (9034, 2385560), (10372, 2077820), (12965, 1662256), (18068, 1192780), (20744, 1038910), (22585, 954224), (25930, 831128), (36136, 596390), (41488, 519455), (45170, 477112), (51860, 415564), (59639, 361360), (72272, 298195), (90340, 238556), (103720, 207782), (103891, 207440), (119278, 180680)]